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Chemistry

Chemistry
The coloured discharge tubes for advertisement mainly contain

Helium
Neon
Xenon
Argon

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Chemistry
Baking soda is :

Potassium carbonate
Sodium hydroxide
Sodium bicarbonate
Sodium carbonate

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Chemistry
Photo-oxidation process is initiated by

Oxygen
Heat
Light
Catalyst

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Chemistry
Natural rubber is the polymer of :

Butadiene
Isoprene
Styrene
Ethylene

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Chemistry
In drinking water supply, which of the following treatments is not involved

Coagulation
Softening
Sedimentation
Disinfection

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Chemistry
Sodium is produced by the electrolysis of

Molten sodium carbonate
Its cyanide complex
Aqueous brine solution
Molten sodium chloride

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