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 63278

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 62355

Q:

The state of Assam has

A) Five National Parks and eleven wildlife sanctuaries	B) Three National Parks and nine wildlife sanctuaries
C) Three National Parks and eight wildlife sanctuaries	D) Two National Parks and eleven wildlife sanctuaries

Answer & Explanation Answer: A) Five National Parks and eleven wildlife sanctuaries

Explanation:

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Filed Under: Indian Geography

281 62027

Q:

A man was murdered in his office.

The suspects are Ericson, Maggi, Joel, Benny, Sona, Patick.

A calendar found near the man has blood written 6, 4, 9, 10, 11.

Who is the killer?

A) Maggi	B) Ericson
C) Sona	D) Joel

Answer & Explanation Answer: D) Joel

Explanation:

If we consider the given numbers 6, 4, 9, 10, 11 to be the month number then we can easily find the killer.

6 – June – J

4 – April – A

9 – September – S

10 – October – O

11 – November – N

Hence the answer is JOEL.

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Filed Under: Logic Puzzles
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212 61963

Q:

Which one of the following types of waves are used in a night vision apparatus?

A) Radio waves	B) Microwaves
C) Infra-red waves	D) None of the above

Answer & Explanation Answer: C) Infra-red waves

Explanation:

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Filed Under: General Science

405 61893

Q:

Which of the following is a Trans- Himalayan river?

A) Ganga	B) Yamuna
C) Indus	D) Ravi

Answer & Explanation Answer: C) Indus

Explanation:

Two sub groups of Himalayan Rivers are Trans Himalayan Rivers and Himalayan Rivers.

Trans Himalayan Rivers :

These rivers originate beyond the Himalayas. They are The Indus, The Sutlej and The Brahmaputra Rivers.

Himalayan Rivers :

These are the rivers originate from Himalayas. They are The Ganga, The Yamuna and their tributaries.

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Filed Under: Indian Geography
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360 60822

Q:

In which of the following festivals are boat races a special feature?

A) Rongali Bihu	B) Onam
C) Pongal	D) Navratri

Answer & Explanation Answer: B) Onam

Explanation:

In_which_of_the_following_festivals_are_boat_races_a_special_feature1534240624.jpg image

Onam is an annual Hindu festival with origins in the state of Kerala in India. It falls in the Malayalam calendar month of Chingam, which in Gregorian calendar overlaps with August–September. In this festival, boat races are famous.

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Filed Under: Indian Culture
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679 60812

Q:

Which pair of atoms has the highest electronegativity difference?

(Calcium's electronegativity is 1.0

Fluorine's electronegativity is 4.0

Hydrogen's electronegativity is 2.2

Sodium's electronegativity is 0.93)

A) F-F	B) Ca-F
C) H-F	D) Na-F

Answer & Explanation Answer: D) Na-F

Explanation:

F-F = 4 - 4 = 0

Ca-F = 4 - 1 = 3.0

H-F = 4 - 2.2 = 1.8

Na-F = 4 - 0.93 = 3.07

Hence, the highest electronegativity difference is in Na-F.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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12 60150

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