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Chemistry

Chemistry
The next higher homologue of C6H14 is

C7H12
C6H12
C7H16
C7H14

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Chemistry
The gas that usually causes explosions in coal mines is

Air
Methane
Carbon monoxide
Hydrogen

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Chemistry
Diamonds are glittering and attractive because light incident on them undergoes

Highest refraction
Multiple surface reflections
Hundred percent transmission
Multiple internal reflections

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Chemistry
An element of atomic no. 29 belongs to

D-block
P-block
S-block
F-block

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Chemistry
Atoms of same element having different mass numbers are called________

Isotopes
Isobars
Isotones
Isomers

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Chemistry
Spirit in contact with body gives cool sensation because it is :

A good conductor
Liquid
Transparent
Highly volatile

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