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Chemistry

Chemistry
Which of the following is the maximum number of electrons that can be present in M-shell?

2
32
18
8

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Chemistry
Tar roads get damaged if there is

No sloping
No maintenance
Heavy traffic
Stagnation of water on road

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Chemistry
Which of the following alloy is used in making magnet ?

Magnalium
Stainless steel
Alnico
Duralumin

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Chemistry
Which of the following acts as best adsorbent?

Activated Coconut Charcoal
Carbon black
Activated Charcoal
Charcoal

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Chemistry
The number of hydrogen bonds between guanine and cytosine in DNA is

3
1
2
4

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Chemistry
Sour taste of ‘Coca Cola’ is due to the presence of

Formic acid
Acetic acid
Hydrochloric acid
Phosphoric acid

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