Q:

Which of the following is not a property of water?

A) Low density	B) Low specific heat
C) Low heat of vaporisation	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Water can moderate temperature because of the two properties: high-specific heat and the high heat of vaporization.

Hence, all the above given options are not the properties of water.

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Q:

What is the gram formula mass of ${Li}_{2} {SO}_{4}$ ?

A) 101.2487	B) 109.9446
C) 111.2687	D) 106.5871

Answer & Explanation Answer: B) 109.9446

Explanation:

The term gram formula mass is synonymous with molecular mass. So, to get this, we must add molar mass of all the elements in this compound.

Given compound is Lithium Sulphate - ${Li}_{2} {SO}_{4}$

Elemental calculation ::

Li - Lithium - 6.941 - 2 - 13.88200 %
S - Sulfur - 32.065 - 1 - 32.065 %
O - Oxygen - 15.9994 - 4 - 63.9976 %

Now, total = 12.6264 + 29.1647 + 58.2090 = 109.9446

Hence, the gram formula mass of Li2SO4 = 109.9446.

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Q:

The Constituent Assembly of India started functioning from

A) 9th December,1946	B) 1st January, 1947
C) 26th January, 1947	D) 15th August, 1947

Answer & Explanation Answer: A) 9th December,1946

Explanation:

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Q:

Which classical dance is famous in Tamil Nadu?

A) Kuchipudi	B) Mohiniattam
C) Bharatanatyam	D) Kathakali

Answer & Explanation Answer: C) Bharatanatyam

Explanation:

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Q:

Improve the bracketed part of the sentence.

Look at this video clip in which (I, my friend and you) are enjoying a boat ride.

A) you, my friend and I	B) I, you and my friend
C) my friend, you and I	D) no improvement

Answer & Explanation Answer: A) you, my friend and I

Explanation:

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Q:

In which of the following part of Neuron the information is transmitted in the chemical form?

A) Dendrite	B) Cell body
C) Axon	D) No option is correct

Answer & Explanation Answer: D) No option is correct

Explanation:

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Q:

Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

A) K1k2/k1+k2	B) 2k1k2/k1+k2
C) K1+k2/k1k2	D) None

Answer & Explanation Answer: B) 2k1k2/k1+k2

Explanation:

We know that,

The equivalent K = $\frac{L 1 + L 2}{\frac{L 1}{K 1} + \frac{L 2}{K 2}}$

where L1 & L2 are plate1 & Plate2 thicknesses, K1 & K2 are coefficient thermal conductivity of plate1 & Plate2 respectively.

But here L1 = L2 = L (say)

Then K = L+L/(L/K1 + L/K2) = $\frac{2 K 1 K 2}{K 1 + K 2}$

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Q:

Which of the statements given below are correct?

1. The author of the novel 'Dodgers' is Don Winslow.
2. The author of the novel 'Forty Thieves' is Bill Beverly.
3. The author of the novel 'The Corrections' is Thomas Perry.

A) 1 and 2	B) 2 and 3
C) 1 and 3	D) 1, 2 and 3

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