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Chemistry

Chemistry
Which of the following substance's smell is similar to Ethanoic acid?

Lemon
Tomato juice
Vinegar
Kerosene

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Chemistry
What happens when a chemical bond is formed ?

More energy is released than is absorbed
Energy in always released
Energy is always absorbed
Energy is neither released nor absorbed

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Chemistry
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

Infinity
2J
4J

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

H2
O2
N 2
He

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Chemistry
Which one of the following is not a characteristic feature of alloys? They are

Homogeneous systems
Solutions
Mixtures
Compounds

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Chemistry
In a period from Li to F, ionisation potential

Decreases
Increases
Cannot be predicted
Remains same

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MORE MCQ ON Chemistry

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