Questions

Q:

Which  of  the  following  substances  cause temporary hardness in water?

1. Mg(HCO3)2

2. Ca(HCO3)2

3. CaCl2

4. MgSO4

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

Explanation:

There are two types of water hardness: temporary and permanent hardness. Temporary hardness is due to the presence of calcium hydrogen carbonate Ca(HCO3)2(aq) and magnesium hydrogen carbonate Mg(HCO3)2(aq).

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Filed Under: Chemistry
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Q:

The year 1995 is the golden Jubilee year of which of the following International Organisations

A) GATT B) NAM
C) UNO D) ASEAN
 
Answer & Explanation Answer: C) UNO

Explanation:
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51 15919
Q:

Who started the Saka Era which is still used by the Government of India ?

A) Asoka B) Samudra Gupta
C) Vikramaditya D) Kanishka
 
Answer & Explanation Answer: D) Kanishka

Explanation:
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Q:

Improve the bracketed part of the sentence.

She is expected to be a candidate of continuity and is also expected to take a stand for ("radically economic transformation").

A) radical economics transformation B) radical economic transformation
C) radically economics transformation D) No improvement
 
Answer & Explanation Answer: B) radical economic transformation

Explanation:
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Q:

' Misch metal ' is widely used in manufacture of which of the following

A) Material of car brake B) Smoke detectors
C) Cigarette lighters D) Emergency lights
 
Answer & Explanation Answer: C) Cigarette lighters

Explanation:
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Q:

In which language was the ' Shrimad Bhagavad Gita ' originally written

A) Sanskrit B) Apabhramsa
C) Prakrit D) Pali
 
Answer & Explanation Answer: A) Sanskrit

Explanation:
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Q:

Select the synonym of

antagonize

A) alienate B) placid
C) sync D) serene
 
Answer & Explanation Answer: A) alienate

Explanation:
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Q:

Rearrange the parts of the sentence in correct order.

 

P: Added to this is their economic dissatisfaction.
Q: The youth get frustrated when they see a great deal of disparity between the theory and its application.
R: All these factors blend together and give rise to a cult of violence.
S: This causes them to wonder whether all that they ever learnt would overcome in use or would go waste.

A) QSPR B) QPRS
C) QSRP D) SPQR
 
Answer & Explanation Answer: A) QSPR

Explanation:
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