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Chemistry

Chemistry
The metal that is usually extracted from sea water is

Mg
Ca
Na
K

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Chemistry
Silica gel is a

Flavouring agent
Moisturizer
Drying agent
Delicious food

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Chemistry
Silicon is a

Nonconductor
Conductor
Insulator
Semiconductor

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Chemistry
The first metal used by man was

bronze
iron
gold
copper

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Chemistry
Cement containing excess amount of lime

Is slow setting
Cracks during setting
Becomes more strong
Is quick setting

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Chemistry
Sour taste of ‘Coca Cola’ is due to the presence of

Acetic acid
Formic acid
Hydrochloric acid
Phosphoric acid

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MORE MCQ ON Chemistry

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