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Chemistry

Chemistry
Air shows the property of

Both A and B
O2
None of these
N2

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Chemistry
Which of the following metals has least melting point ?

Gold
Silver
Copper
Mercury

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Chemistry
The National Chemical Laboratory (India) is located in

Pune
Mumbai
Hyderabad
Bangaluru

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Chemistry
The percentage of nitrogen present in ammonium sulphate is :

0.305
0.27
0.25
0.18

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Chemistry
The heat required to raise the temperature of body by 1 K is called

None of these
specific heat
thermal capacity
water equivalent

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Chemistry
Which of the following gases will effuse out of football bladder most quickly ?

H2
He
O2
N 2

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