Questions

Q:

1 watt is equal to 1 ____________

 

A) J s-1   B) J s
C) J s-2 D) J
 
Answer & Explanation Answer: A) J s-1  

Explanation:
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3 16979
Q:

NH3 oxidation number?

A) -1 B) +1
C) 0 D) -3
 
Answer & Explanation Answer: C) 0

Explanation:

NH3, Ammonia is a neutral compound as the individual oxidation numbers elements that make up the compound NH3 are Nitrogen (N) and Hydrogen (H) sum to zero. 

We do not speak of the oxidation number of a molecule. We can speak of the oxidation numbers of the individual elements that make up the compound.

 

Here the oxidation number of Nirogen is -3 and that of Hydrogen is +1.

Now, NH3 = 1(-3) + 3(+1) = -3 + 3 = 0.

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30 16974
Q:

The relative humidity of a region is low when :

 

A) The wet and dry bulb thermometers read the same B) The difference between the readings of the wet and dry bulb thermometers is large
C) The temperature are high D) The temperatures are low
 
Answer & Explanation Answer: B) The difference between the readings of the wet and dry bulb thermometers is large

Explanation:
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2 16971
Q:

Where did MS Dhoni make his ODI debut ?

A) Chiittagong B) Dhaka
C) Hyderabad D) Vishakhapatnam
 
Answer & Explanation Answer: A) Chiittagong

Explanation:
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92 16930
Q:

Journalist's Day was celebrated for the first time all over the country on

A) Oct 1,1984 B) Oct 8,1984
C) Oct 20,1984 D) Oct 28,1984
 
Answer & Explanation Answer: D) Oct 28,1984

Explanation:
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28 16925
Q:

A forensic tool used to identify the chemical makeup?

 

A) calibur B) lie detector
C) gas chromatograph D) ballistics
 
Answer & Explanation Answer: C) gas chromatograph

Explanation:
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1 16911
Q:

Which of the following statements about Sir Syed Ahmad Khan is/are correct?

1. He argued that India was a federation of ethnic communities based on common descent.

2. His philosophy was very similar to that of the Indian National Congress.

3. He imagined India as a Nation State based on individual citizen’s rights.

4. The curriculum at the Mohammedan Anglo-Oriental College blended Muslim theology and European empiricism.

Select the correct answer using the code given below.

A) 1 only B) 2 and 3
C) 3 only D) 1 and 4
 
Answer & Explanation Answer: D) 1 and 4

Explanation:

Statements 1 & 4 are true with respect toSir Syed Ahmad Khan.

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Filed Under: Indian History
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0 16893
Q:

Which of the following statements are CORRECT?

I. Melamine is a Thermo setting plastic.

II. It resists fire.

III It is a poor conductor of heat.

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: D) All I, II and III

Explanation:
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2 16882