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Chemical Process

Chemical Process
Silicon carbide is a/an

Adhesive
Type of glass
Brittle material
Abrasive

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Chemical Process
Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

Sulphate/kraft
Sulphite
Mechanical
Neutral sulphite semi-chemical

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Chemical Process
Systemic insecticides

Kill insects following external bodily contact
Emit poisonous vapour
Are absorbed throughout the plant
Are stomach poisons

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Chemical Process
Enamels

Are same as varnish
Do not contain pigment
Give good glossy finish
Are prepared from non-drying oil

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Chemical Process
Na₂CO₃.10H₂O is called

Slaked lime
Washing soda
Soda ash
Quicklime

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Chemical Process
The noble gas which occurs most abundantly in the atmosphere is

Helium
Neon
Argon
Krypton

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