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Chemistry

Chemistry
The octane number of zero is assigned to

2-methyl octane
iso-octane
3-methyl octane
n-heptane

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Chemistry
Aspirin is common name of

Salicylate
Salicylic Acid
Methyl Salicylate
Acetyl Salicylic Acid

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Chemistry
The weight of 6.023 × 1022 atoms of carbon is

1.2 gms
12 gms
120 gms
0.12 gms

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Chemistry
Iron is prevented from rusting by coating with zinc. This process is called as

Galvanisation
Reduction
Sublimation
Corrosion

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Chemistry
Submarines move under water. They have engines that run on

Diesel
Batteries
Steam
Petrol and oxygen

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Chemistry
The inert gases are ____ in water

sparingly soluble
soluble
insoluble
None of these

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