Q:

The fundamental particles present in equal numbers in neutral atoms are

A) protons and electrons	B) neutrons and electrons
C) protons and neutrons	D) protons and positrons

Answer & Explanation Answer: A) protons and electrons

Explanation:

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Filed Under: Chemistry

17 9006

Q:

Find the G.C.F. & L.C.M. of 20 and 28.

A) 20,280	B) 5,280
C) 10,140	D) 4,140

Answer & Explanation Answer: B) 5,280

Explanation:

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Filed Under: Inventions
Exam Prep: Bank Exams

74 9005

Q:

Formation of shadows can be explained by

A) rectilinear propagation of light	B) reflection
C) refraction	D) total internal reflection

Answer & Explanation Answer: A) rectilinear propagation of light

Explanation:

In this position, the head light will be at the principal focus so that the rays of light falling on the cancave mirror will be rendered parallel

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Filed Under: Physics

63 9003

Q:

Select the missing term based on the given related pair.

A) Larva	B) Caterpillar
C) Kitten	D) Child

Answer & Explanation Answer: B) Caterpillar

Explanation:

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams

0 9002

Q:

Nature of unemployment in agriculture in India is

A) Seasonal	B) Disguised
C) both ' a ' and ' b '	D) None of these

Answer & Explanation Answer: C) both ' a ' and ' b '

Explanation:

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Filed Under: Indian Economy

9 8995

Q:

Which of the following carbon compounds is used as a fire- extinguisher?

A) Carbon disulphide	B) Chloroform
C) Carbon tetrachloride	D) Methyl ene chloride

Answer & Explanation Answer: C) Carbon tetrachloride

Explanation:

Vapour of carbon tetra chloride $(c c l_{4})$ is non-inflammable and is heavier than air. Hence it is used as a fire extinguisher under the trade name of pyrene.

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Filed Under: Chemistry

16 8991

Q:

The outer electron configuration of Gd (Atomic No : 64) is

1. $4 f^{7} 5 d^{1} 6 s^{2}$

2. $4 f^{3} 5 d^{5} 6 s^{2}$

3. $4 f^{8} 5 d^{0} 6 s^{2}$

4. $4 f^{4} 5 d^{4} 6 s^{2}$

Answer

Answer : 1

Sol :

1. $4 f^{7} 5 d^{1} 6 s^{2}$

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Subject: Chemistry Exam Prep: AIEEE

19 8991

Q:

Which among the following is/are All India Service(s)?

I. Indian Administrative Service
II. Indian Police Service
III. Indian Forest Service

A) Only I	B) Only II
C) Both I and II	D) All I, II and III

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