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Chemistry

Chemistry
White phosphorus is always kept under

Benzene
Water
Kerosene
Ether

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Chemistry
Curd is sour due to presenceof

Tartaric acid
Lactic acid
Oxalic acid
Acetic acid

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Chemistry
Suspension particles have the size between

10–2 – 10–4 cm
10–1 – 10–2 cm
10–5 – 10–7cm
10–8 – 10–10cm

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Chemistry
Which of the following is used as a lubricant in heavy machines?

Bauxite
Sulphur
Graphite
Phosphorus

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Chemistry
Which one of the following chemicals helps in fruit ripening?

Ethephon
Malathion
Atrazine
Isoproturan

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Chemistry
The nuclear particle having no mass and no charge, but only spin is

Electron
Proton
Neutrino
Meson

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MORE MCQ ON Chemistry

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