NEET and JEE Main to be conducted twice a year by NTA instead of CBSE

The Center is considering to conduct the Entrance tests (NEET, JEE Main) for admissions to undergraduate courses in medical and engineering twice a year from 2019.

The government is in the process of setting up a National Testing Agency (NTA) which may start its operations from 2019. The agency will take over all the entrance tests now conducted by CBSE (Central Board of Secondary Education). These entrance tests are NEET (National Eligibility cum Entrance Test) for MBBS admission, the JEE Main (Joint Entrance Examination Main) for B.Tech courses and the NET (National Eligibility Test) for selecting teachers eligible to be appointed in colleges and universities.

"The NTA (National Testing Agency) will initially conduct those entrance examinations which are currently being conducted by the CBSE ... Other examinations, tests will be taken up gradually after the NTA is fully geared up ... The entrance examinations will be conducted in online mode at least twice a year, giving adequate opportunity to candidates to bring out their best," HRD Minister of State Upendra Kushwaha said in a written answer in the Lok Sabha.

At present all these entrance tests NEET, JEE Main, NET etc. are held once in a year. If the proposal is passed, then from 2019 National Eligibility cum Entrance Test (NEET) and Joint entrance Examination Main (JEE Main) will be conducted twice a year by NTA instead of Central Board of Secondary Education (CBSE). NTA will also locate the examination centers at sub-district and district levels.

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Hydrogen and its Compounds: Solved Test Series, MCQ Questions for IIT, NEET, JEE Main & Advanced, AIPMT, VITEEE

Chemistry solved Test Series, MCQ practice questions exclusively helpful for preparing Joint Entrance Examinations, JEE Main and Advanced, Medical and Engineering Entrance Exams, MBBS admission tests, NEST and other competitions.

Hydrogen and its Compounds (Topics / Syllabus):

Position of hydrogen in the periodic table; Discovery, Occurrence, Preparation, Properties and Industrial Applications of Hydrogen; Dihydrogen - Isotopes of hydrogen, Properties, Preparation and Uses of dihydrogen; Heavy Hydrogen or Deuterium; Tritium; Hydrides and their classification; Water - structure of water and ice, properties of water, hard and soft water, Hydrogen Peroxide; Heavy water. 

Chemistry Solutions and Guide : Hydrogen and its Compounds

MCQ Test Series – Practice Questions - Set 2 (Q. No. 11-20)

Question 11: Normality of 100 volume H₂O₂ is –

a. 1.78

b. 8.9

c. 17.86

d. 0.89

Question 12: Nascent hydrogen consists of:

a. Hydrogen atoms with excess of energy

b. Hydrogen molecules with excess energy

c. Hydrogen ions in excited state

d. Solvated protons

Question 13: What is false about H₂O₂?

a. Acts both as oxidising and reducing agent

b. Two OH bonds lie in the same plane

c. Pale blue liquid

d. Can be oxidised by O₃

Question 14: Heavy water is manufactured by:

a. Combination of hydrogen and heavier isotope of oxygen

b. Electrolysis of water containing heavy hydrogen dissolved in it

c. Repeated electrolysis of 3% aqueous solution of NaOH

d. None of the above

Question 15: The temporary hardness of water due to calcium bicarbonate can be removed by adding:

a. CaCO₃

b. CaCl₂

c. HCl

d. Ca(OH)₂

Question 16: Solubility of NaCl in heavy water is –

a. Same as that in H₂O

b. 15% lower than that in H₂O

c. 15% more than that in H₂O

d. 100% more than that in H₂O

Question 17: Action of water or dilute mineral acids on metals can give:

a. Monohydrogen

b. Tritium

c. Dihydrogen

d. Trihydrogen

e. D₂

Question 18: When hydrogen peroxide is treated with a cold acidified K₂Cr₂O₇ solution containing ether, a blue colour is obtained. This is due to:

a. Chromium sulphate

b. Potassium chromate

c. Perchromic acid

d. Chromium trioxide

Question 19: The shape of water molecule is same as that of:

a. C₂H₂

b. CO₂

c. NH₃

d. Cl₂O

Question 20: The correct order of dielectric constant values –

a. H₂O > D₂O > H₂O₂

b. H₂O >H₂O₂>D₂O

c. H₂O<D₂O>H₂O₂

d. H₂O <H₂O₂<D₂O

India Study Solution - Chemistry Solutions & Guide

hydrogen and its compounds

Solutions of Chemistry MCQ Test Series MCQ Practice Questions – Set 2 (Q.No. 11 – 20)

http://www.indiastudysolution.com

Answer 11: (c).

Answer 12: (b) Hint: Hydrogen at the moment of formation is known as Nascent Hydrogen. It is believed that part of energy liberated in the reaction producing hydrogen become associated with hydrogen molecules and thus, make them hyperactive.

Answer 13: (b) Hint: Two OH bonds lie in the different planes.

Answer 14: (c) Hint: Repeated electrolysis of 3% aqueous solution of NaOH.

Answer 15: (d).   Answer 16: (b).   Answer 17: (c).

Answer 18: (c) Hint: A solution of K₂Cr₂O₇ in H₂SO₄ is oxidised to blue chromic acid by H₂O₂ and dissolve in ether to give blue coloured solution.

K₂Cr₂O₇ + H₂SO₄ → K₂SO₄ + H₂Cr₂O₇

H₂Cr₂O₇ + 4H₂O₂ → 2CrO₅ + 5H₂O

_____________________________________________

K₂Cr₂O₇ + H₂SO₄ + 4H₂O₂ → K₂SO₄ + 2CrO₅ + 5H₂O

                                              Perchromic acid (blue)

_____________________________________________

Answer 19: (d).   Answer 20: (a).

 Hydrogen and its Compounds - Chemistry Objective Questions, Test Series 

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Physics solved objective questions, test series: Newton’s Laws of Motion and Friction

Physics guide, solved MCQ test series, objective questions for preparing NEET, IITJEE, Joint Entrance Exams and other competitions.

Newton’s Laws of Motion and Friction (Topics):

Force and Inertia; Law of Inertia; Newton’s First Law of Motion; Center of Mass; Momentum; Newton’s Second Law of Motion; Impulse; Newton’s Third Law of Motion; Law of Conservation of Linear Momentum and its applications; Variable Mass; Free Body Diagrams; Pulleys; Equilibrium of Concurrent Forces; Constraint Equations; Pseudo Force; Static and Kinetic Friction; Laws of Friction; Rolling Friction; Centripetal Force and its applications; Impulse; Collision  

Physics: Newton’s Laws of Motion and Friction

Multiple Choice Questions (MCQs) – Set 2 (Q. No. (11-20)

Question 11: Two masses are connected by a string which passes over a pulley accelerating upward at a rate A as shown. If a₁ and a₂ be the acceleration of bodies 1 and 2 respectively then:

Question 12: The pendulum hanging from the ceiling of a railway carriage makes angle 30⁰ with the vertical, when it is accelerating. The acceleration of the carriage is:

Question 13:Two particles A and B, each of mass m, kept stationary by applying a horizontal force F = mg on particle B as shown in fig. Then –

a. Tan β = 2 tan α     b. 2T₁ = 5T₂     c. T₁ √2 = T₂ √5    d. None of these

(1) a, b                     (2) b, c             (3) c, d                 (4) a, c

Question 14: Action and reaction –

a. Act on two different objects

b. Have opposite direction

c. Have equal magnitude

d. All of these

Question 15: Two block A and B placed on a plane surface as shown in the figure. The mass of block A is 100 kg and that of block B is 200 kg. Block A is tied to a stand and block B is pulled by a force F. If the coefficient of friction between the surfaces of A and B is 0.2 and the coefficient of friction between B and the plane is 0.3 then for the motion of B the minimum value of F will be –

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Question 16: If a block moving up an inclined plane at 30⁰ with a velocity of 5 m/s, stops after 0.5 s, then, coefficient of friction will be nearly –

a. 0.5

b. 0.6

c. 0.9

d. 1.1

Question 17: A fireman wants to slide down a rope. The breaking load for the rope is 3/4^th of the weight of the man. With what minimum acceleration should the fireman slide down? Acceleration due to gravity is g.

Question 18: A 13 m ladder is placed against a smooth vertical wall with its lower end 5 m from the wall. What should be the maximum coefficient of friction between ladder and floor, so that it remains in equilibrium?

a. 0.36

b. 0.72

c. 0.21

d. 0.52

Question 19: A bird is sitting in an air tight cage. The cage is put on a weighing machine. It reads W₁. The bird now starts flying. The weighing machine reads W₂. Then:

a. W₁< W₂

b. W₂< W₁

c. W₁ = W₂

d. None

Question 20: A body of mass M is kept on a rough horizontal surface (friction coefficient = µ). A person is trying to pull the body by applying a horizontal force but the body is not moving. The force by the surface on A is F where –

View / Download Hints, Solutions in Pdf

  Newton's Laws of Motion and Friction - Physics Objective Questions, Test Series 

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EduNews: CBSE guidelines about Aadhaar requirement to apply JEE Main 2018

Aadhaar requirement for Joint Entrance Examination Main (JEE Main) - 2018

CBSE JEE Main (Joint Entrance Examination Main) Unit

In reference to the Admission Notification for JEE Main 2018 by CBSE regarding the provision of Aadhaar at the time of filling online application for Joint Entrance Examination Main (JEE Main) 2018, following guidelines / clarifications have been issued as per the latest CBSE notice (on 7^th Dec’17):

1. The use of Aadhaar for the applicants of JEE (Main) 2018 will result in accuracy of the applicants’ details. This will also help in ascertaining identities of the applicants at the examination centres in a convenient and hassle free manner. Aadhaar obviates the need for producing multiple documents to prove one’s identity.

2. The provisions of Aadhaar Act and regulations under the Act have come into effect from 14^th Sept’16 and according to CBSE circular, notifications to the effect were published in their official gazette. Section 57 of Aadhaar Act 2016 permits the use of Aadhaar Number for establishing the identity of an individual for any purpose pursuant to any law or any contract to this effect.

GUIDELINES FOR AADHAAR AUTHENTICATION BEFORE APPLYING JEE MAIN 2018

3. The notice says accordingly, CBSE has decided to use Aadhaar for the applicants of JEE Main 2018, and hereby notifies the following -

a.   Applicants, who are in the possession of Aadhaar, shall enter Aadhaar number, name, date of birth, gender in online application for JEE (Main) 2018 for the purpose of his/her identity and authentication thereof.

b.    Applicants not yet enrolled for Aadhaar, are hereby required to make application for Aadhaar enrolment in case he/she is entitled to obtain Aadhaar as per section 3 Aadhaar Act. Such applicant may visit any Aadhaar enrolment center to get enrolled for Aadhaar.

4. The above provisions shall be applicable in all states except J&K, Assam & Meghalaya.

5. The applicants who have passed or appearing in Class 12 examination from the states of J&K, Assam & Meghalaya need to enter the passport number, ration card number, bank account number (nationalised bank) or any valid Govt. identity number provided they should select the city of examination in these states only.           

Further Contact

Executive Director (JAB)

H-149, Sector-63

Noida - 201309

Tel: 7042399520, 7042399521, 7042399526

Web: www.jeemain.nic.in

E-mail: jeemain@nic.in

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EduNews: Odisha government confirms participation in the Joint Entrance Examination Main | JEE Main 2018

EduNews: Odisha joins JEE Main 2018

The Odisha government on Thursday confirmed is participation in the Joint Entrance Examination (JEE Main 2018) conducted by CBSE and urged students from Odisha to enrol themselves for this. According to CBSE notification, online application process for JEE Main 2018 will start from December 1.

Madhya Pradesh, Uttarakhand, Haryana and Nagaland are some other states which also decided to join Joint Entrance Examination Main (JEE Main 2018) system recently.

How to apply JEE Main - 2018 (Joint Entrance Examination Main 2018), eligibility, deadline etc click:

JEE Main - 2018 Admission Notification by CBSE