Q:

Which solution is most concentrated?

A) 6 g of solute in 10 ml of solution	B) 20.5 g of solute in 50 ml of solution
C) 30 g of solute in 120 ml of solution	D) 2.6 g of solute in 2 ml of solution

Answer & Explanation Answer: D) 2.6 g of solute in 2 ml of solution

Explanation:

A concentrated solution will contain the most solute molecules per solvent molecules.

Here in the given options,

1) 6/10 = 0.6

2) 20.5/50 = 0.41

3) 30/120 = 0.25

4) 2.6/2 = 1.3

Hence, option D) is most concentrated.

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Filed Under: Chemistry
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21 18505

Q:

Which is the second most abundant metal in the earth's crust ?

A) Iron	B) Aluminium
C) Copper	D) Zinc

Answer & Explanation Answer: A) Iron

Explanation:

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Filed Under: World Geography

57 18502

Q:

Padma Shri - Dr Sundaram (S) Ramakrishnan passed away recently. What was his profession?

A) Scientist	B) Politician
C) Engineer	D) Doctor

Answer & Explanation Answer: A) Scientist

Explanation:

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Q:

Dr. M.S.Subbalakshmi has distinguished herself in the field of

A) Kathak	B) Bharathanatyam
C) Playing Violin	D) Vocal Music

Answer & Explanation Answer: D) Vocal Music

Explanation:

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61 18478

Q:

Air pressure is usually highest when the air is

A) warm and moist	B) cool and dry
C) warm and dry	D) cool and moist

Answer & Explanation Answer: D) cool and moist

Explanation:

Both warmth and moisture reduce the density of air and hence its pressure is high.

Air_pressure_is_usually_highest_when_the_air_is1558073685.png image

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Filed Under: Physics
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90 18460

Q:

Which is the coldest of all the planets?

A) Jupiter	B) Uranus
C) Neptune	D) Pluto

Answer & Explanation Answer: C) Neptune

Explanation:

Neptune is the Coldest of all the planets

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Filed Under: Longest, Shortest, Deepest

33 18454

Q:

You can use the tab key to ________

A) move a cursor across the screen	B) indent a paragraph
C) move the cursor down the screen	D) both (a) and (b)

Answer & Explanation Answer: D) both (a) and (b)

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

Tansen Samman has been instituted by the Government of

A) Uttar Pradesh	B) Gujarat
C) Maharashtra	D) Madhya Pradesh

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