Exams Questions and Answers

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
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12 328596

Q:

Which of the following is NOT a property of bases?

A) They react with acids and neutralise them	B) They turn red litmus blue
C) They turn blue litmus red	D) They have bitter taste

Answer & Explanation Answer: C) They turn blue litmus red

Explanation:

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Filed Under: Chemistry
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130 327035

Q:

Select the alternative that shows a similar relationship as the given pair -

Impulsive : Impromptu

A) Moderate : Increase	B) Flawless : Impeccable
C) Perpetual : Transitory	D) Resistant : Receptive

Answer & Explanation Answer: B) Flawless : Impeccable

Explanation:

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Filed Under: English
Exam Prep: Bank Exams , GRE

68 321431

Q:

Simplify

$\frac{1 . 5^{3} + 4 . 7^{3} + 3 . 8^{3} - 3 x 1.5 x 4.7 x 3.8}{1 . 5^{2} + 4 . 7^{2} + 3 . 8^{2} - 1.5 x 4.7 - 4.7 x 3.8 - 1.5 x 3.8}$

A) 6	B) 8
C) 10	D) 12

Answer & Explanation Answer: C) 10

Explanation:

Apply $\frac{a^{3} + b^{3} + c^{3} - 3 a b c}{a^{2} + b^{2} + c^{2} - a b - b c - c a} = a + b + c$

Hence the answer is 1.5 + 4.7 + 3.8 = 10.

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Filed Under: Simplification
Exam Prep: AIEEE , Bank Exams , CAT
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42 316547

Q:

What colors make green?

A) Blue & Red	B) Red & White
C) Yellow & Red	D) Yellow & Blue

Answer & Explanation Answer: D) Yellow & Blue

Explanation:

We all know that green is one among the three primary colors in additive mixing.

what_colors_make_green1605081805.jpg image

By mixing blue and yellow colors we get green color.

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

Today is Monday. After 61 days, it will be :

A) Tuesday	B) Monday
C) Sunday	D) Saturday

Answer & Explanation Answer: D) Saturday

Explanation:

Each day of the week is repeated after 7 days. So, after 63 days, it will be Monday.

After 61 days, it will be Saturday.

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Filed Under: Calendar
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2824 311420

Q:

A person who speaks many languages

A) Polyglot	B) Linguist
C) Bilingual	D) Monolingual

Answer & Explanation Answer: A) Polyglot

Explanation:

Polyglot - A person who knows or speaks many languages.

Linguist - A person who speaks foreign languages.

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Filed Under: English
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Q:

Select the antonym of

void

A) destitute	B) scant
C) bereft	D) adequate

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