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Chemistry

Chemistry
The metal compound commonly found in Sindhoor or Kumkum is based on

Tin
Zinc
Copper
Lead

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Chemistry
Conduction band electrons have more mobility than holes because they

Are lighter
Experience collision less frequently
Have negative charge
Need less energy to move them

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Chemistry
'Fire-fighting clothes' are made from

Steatite
Asbestos
Talc
Mica

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Chemistry
Sour milk contains

Lactic acid
Acetic acid
Citric acid
Tartaric acid

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Chemistry
Which one of the following organic compound is used to remove stains of iron compounds?

Cinnamic acid
Oxalic acid
Benzoic acid
Phthalic acid

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Chemistry
Natural rubber is a polymer of

Vinyl acetate
Styrene
Propene
Isoprene

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