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Chemistry

Chemistry
Which of the following is used as non-stick coating for cooking utensils?

Styrofoam
Perspex
Polystyrene
Teflon

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Chemistry
The metal chiefly used for galvanising iron is :

Cadmium
Tin
Mercury
Zinc

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Chemistry
The important ore of aluminium is

Fluorspar
Bauxite
Haematite
Cryolite

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Chemistry
Which of the following is not a method of preparing oxygen?

Decomposition of potassium permanganate
Fractional distillation of liquid air
Decomposition of manganese dioxide
Electrolysis of water

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Chemistry
The fundamental particles present in the nucleus of an atom are

Electron, proton
Neutron, electron
Neutron, positron
Proton, neutron

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Chemistry
Quartz is made of

Calcium Sulphate
Sodium Sulphate
Calcium Silicate
Sodium Silicate

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MORE MCQ ON Chemistry

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