Questions

Q:

Curdling of milk is an example of

A) Inversion B) Denaturation
C) Hydrolysis D) Coagulation
 
Answer & Explanation Answer: D) Coagulation

Explanation:

Coagulation :: The action or process of a liquid, especially blood, changing to a solid or semi-solid state.

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Q:

Which statement best describes an O3 molecule?

A) The double bond in ozone switches back and forth between the two outer oxygen atoms B) An ozone molecule contains one single bond and one double bond
C) Each atom in ozone is connected to another atom by 1.5 bonds. D) None
 
Answer & Explanation Answer: B) An ozone molecule contains one single bond and one double bond

Explanation:

Ozone molecule has one single bond and one double bond.

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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 =  L1 + L2L1K1+L2K2

 

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)  =  2K1K2K1+K2

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Q:

The monomer of polythene is

A) ethylene B) ethyl alcohol
C) vinyl chloride D) ethanol
 
Answer & Explanation Answer: A) ethylene

Explanation:

The monomer of polythene is ethylene.

the_monomer_of_polythene_is1546857163.png image

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Q:

Minutes Hand Clock Puzzle?

A) 12 B) 24
C) 44 D) 60
 
Answer & Explanation Answer: B) 24

Explanation:

Exactly 24 times.

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Q:

The famous Dilwara Temples are situated in

A) Rajasthan B) Uttar Pradesh
C) Maharashtra D) Madhya Pradesh
 
Answer & Explanation Answer: A) Rajasthan

Explanation:
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Q:

The religious text of the Jews is named as

A) The Analectus B) Torah
C) Tripatika D) Zend Avesta
 
Answer & Explanation Answer: B) Torah

Explanation:
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Q:

'AADHAR' is a programme

A) To help senior citizens B) To provide nutritional support to adolescent woman
C) To train people for social defence D) To provide identity to Indian residents
 
Answer & Explanation Answer: D) To provide identity to Indian residents

Explanation:
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