Q:

Silver Mirror test is given by which one of the following compounds?

1. Benzophenone

2. Acetaldehyde

3. Acetone

4. Formaldehyde

A) Only 1	B) Only 2
C) 1 and 3	D) 2 and 4

Answer & Explanation Answer: D) 2 and 4

Explanation:

Both Formaldehyde and Acetaldehyde will give this test

$H C H O \overset{[A g (N H_{3})_{2}^{+}]}{\to} \overset{A g}{S i l v e r m i r r o r} + O r g a n i c c o m p o u n d$

$C H_{3} - C H O \overset{[A g (N H_{3})_{2}^{+}]}{\to} \underset{S i l v e r m i r r o r}{A g} + O r g a n i c c o m p o u n d$

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Filed Under: Chemistry
Exam Prep: AIEEE

66 64685

Q:

Which of the following reactions are exothermic?

$1) C + O_{2} \to {CO}_{2} 2) 2 Mg + O_{2} \to 2 MgO 3) {CuSO}_{4} + 5 H_{2} O \to {CuSO}_{4} . 5 H_{2} O 4) All the above$

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: D) 4

Explanation:

Here all the given options are Exothermic reactions. Exothermic reactions are those reactions which involves the release of heat.

Generally all the combining reactions are exothermic in nature.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

13 64429

Q:

Who proposed the Preamble before the Drafting Committee of the Constitution

A) Jawaharlal Nehru	B) B.R. Ambedkar
C) B.N.Rau	D) Mahatma Gandhi

Answer & Explanation Answer: A) Jawaharlal Nehru

Explanation:

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Filed Under: Indian Politics

361 64406

Q:

Union Budget is always presented first in ________

A) The Lok Sabha	B) The Rajya Sabha
C) Joint session of the Parliament	D) Meeting of the Union Cabinet

Answer & Explanation Answer: A) The Lok Sabha

Explanation:

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Filed Under: Indian Politics

259 64296

Q:

The Saka Era was founded by

A) Kadphises I	B) Kanishka
C) Alexander	D) Menander

Answer & Explanation Answer: B) Kanishka

Explanation:

The Saka Era was founded by Kanishka, the emperor of Kushana empire from the year 78 A.D.

The_Saka_Era_was_founded_by1551769646.jpg image

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Filed Under: Indian History
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

256 64214

Q:

The deepest lake of the world is ___________.

A) Aral Sea	B) Caspian Sea
C) Baikal	D) Dead Sea

Answer & Explanation Answer: C) Baikal

Explanation:

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Filed Under: World Geography
Exam Prep: Bank Exams

1 63895

Q:

Kapildhara Falls is situated on which river?

A) Tapi	B) Sharavati
C) Narmada	D) Indravati

Answer & Explanation Answer: C) Narmada

Explanation:

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Filed Under: Indian Geography
Exam Prep: Bank Exams

16 62853

Q:

From the following pairs, find the one which is correctly matched?

A) Scurvy- Thiamine	B) Tuberculosis- ATS
C) Tetanus- BCG	D) Malaria- Chloroquine

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