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Chemistry

Chemistry
Curd is sour due to presenceof

Lactic acid
Oxalic acid
Tartaric acid
Acetic acid

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Chemistry
Among the following the hardest metal is

Tungsten
Platinum
Gold
Iron

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Chemistry
Which of the following methods is used in determining the number average molar mass of a macromolecule

Light scattering
Viscosity
Sedimentation equilibrium
Osmotic pressure

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Chemistry
A matured mammalian cell without nucleus is

Lymphocyte
Spermatozoan
Erythrocyte
Oocyte

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Chemistry
When cathode rays strike a target of high atomic weight, they give rise to

? and ? rays
X-rays
Positive rays
?-rays

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Chemistry
Which of the following substance is highly plastic ?

Mica
Granite
Clay
Quartz

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