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Chemistry

Chemistry
A matured mammalian cell without nucleus is

Oocyte
Lymphocyte
Spermatozoan
Erythrocyte

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Chemistry
Hardest allotrope of carbon is

Graphite
Coke
Lamp black
Diamond

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Chemistry
Which of the following could be used as fuel in propellant or rockets ?

Liquid Hydrogen + Liquid Oxygen
Liquid Hydrogen + Liquid Nitrogen
Liquid Nitrogen + Liquid Oxygen
Liquid Oxygen + Liquid Argon

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Chemistry
Iron filings can be separated from a heterogenous mixture using the technique of :

Sublimation
Magnetization
Sedimentation
Evaporation

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Chemistry
The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

All listed here
Silver Iodide
Dry ice or frozen carbon dioxide
Sodium Chloride

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Chemistry
Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher

B, c
D, a
A, c
A, b

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