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Chemistry

Chemistry
Mixture can be

Heterogeneous
Pure substance
Homogeneous
Both A and B

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Chemistry
The chemical used in developing photographic films is

Hypo
Silver bromide
Sodium sulphate
Hydroquinone

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Chemistry
Which one of the following is used as a sowing agent in the preparation of soft drinks?

Phosphoric acid
Boric acid
Salicylic acid
Phosphorus acid

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Chemistry
The noble gas used in radiotherapy is

Xenon
Radon
Argon
Neon

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Chemistry
The orientation of an atomic orbital is governed by

Spin quantum number
Azimuthal quantum number
Principal quantum number
Magnetic quantum number

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Chemistry
Cement is made hard with

Hydration and dissociation of water
Dehydration
Dissociation of water
Polymerisation

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