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Chemistry

Chemistry
Curd is sour due to presenceof

Tartaric acid
Oxalic acid
Lactic acid
Acetic acid

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise the colloid and prevent crystallisation
Prevent making a colloid
Stabilise mixture
Enrich the aroma

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Chemistry
The octane number of zero is assigned to

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

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Chemistry
What happens when a chemical bond is formed ?

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

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Chemistry
Which of the following is not a nitrogenous fertilizer ?

NH4NO3
CaCN2
Ca(CN)2
Urea

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Chemistry
The antiparticle of an electron is

Positron
Beta particles
Proton
Alpha particles

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MORE MCQ ON Chemistry

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