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Chemistry

Chemistry
Which of the following alloy is used in making magnet ?

Stainless steel
Duralumin
Magnalium
Alnico

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Chemistry
Lead pencil contains

Lead sulphide
Lead
Ferrous sulphide
Graphite

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Chemistry
The common name of sodium bicarbonate is

Baking soda
Soda lime
Soda ash
Baking powder

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Chemistry
Ethylene is a ________ molecule.

Polar
Ionic
Nonpolar
Covalent

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Chemistry
In a period from Li to F, ionisation potential

Decreases
Increases
Remains same
Cannot be predicted

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Chemistry
'Fire-fighting clothes' are made from

Talc
Asbestos
Mica
Steatite

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