Q:

Select the antonym of

to exile

A) to relegation	B) to usher
C) to banish	D) to ostracism

Answer & Explanation Answer: B) to usher

Explanation:

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Q:

In a combination reaction there can be ______.

I. two or more than two reactants

II. two or more than two products

III. only one product

A) Only I	B) Only I and III
C) Only I and II	D) Only II

Answer & Explanation Answer: B) Only I and III

Explanation:

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Q:

The electrochemical cell stops working after some time because ________

A) Electrode potential of both the electrodes becomes zero	B) One of electrodes completely vanishes
C) Electrode potential of both electrodes equalizes	D) The reaction reverses its direction

Answer & Explanation Answer: C) Electrode potential of both electrodes equalizes

Explanation:

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92 16215

Q:

Temporary hardness is due to the presence of

A) Calcium carbonate	B) calcium bicarbonate
C) magnesium sulphate	D) calcium sulphate

Answer & Explanation Answer: B) calcium bicarbonate

Explanation:

Temporary hardness is due to the presence of soluble bicarbonates of calcium and magnesium in water. Permanent hardness is due to the presence of sulphates and chlorides of calcium and magnesium.

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41 16206

Q:

Rearrange the parts of the sentence in correct order.

I am raising these questions

P-are early warning signs
Q-of a deeper crisis
R-because such events

A) RQP	B) PQR
C) RPQ	D) QRP

Answer & Explanation Answer: C) RPQ

Explanation:

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Q:

The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10 $d m^{3}$ at 27°C is to a volume of 100 $d m^{3}$

A) 42.3 J/ mole / K	B) 38.3 J/ mole / K
C) 35.8 J/ mole / K	D) 32.3 J/ mole / K

Answer & Explanation Answer: B) 38.3 J/ mole / K

Explanation:

$∆ s = n R \ln \frac{v 2}{v 1}$

$= 2.303 n R \log \frac{v 2}{v 1}$ = $2.303 \times 2 \times 8.314 \times \log (\frac{100}{10})$ = $38.3 J$ $m o l^{- 1}$ $k^{- 1}$

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Q:

Select the synonym of

improvident

A) provident	B) extravagant
C) miserly	D) thrifty

Answer & Explanation Answer: B) extravagant

Explanation:

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Q:

Who is the custodian of indian constitution?

A) Supreme Court	B) Cabinet Ministers
C) President	D) Parliament

Answer & Explanation Answer: A) Supreme Court

Explanation:

The president is the nominal custodian of the Indian constitution but the ideal custodian is the supreme court of India.

Who_is_the_custodian_of_indian_constitution1557491256.jpg image

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