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Chemistry

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

Perspex
Styrofoam
Polystyrene
Teflon

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Chemistry
Air is said to be saturated when :

It contains maximum content of water vapour
It blows over the barren land
Its pressure is minimum
Its thickness is maximum

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Chemistry
The most malleable metal is

silver
iron
platinum
gold

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Chemistry
In its reaction with silver nitrate, C2H2 shows

Reducing property
Basic property
Acidic property
Oxidising property

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Chemistry
Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of

Isobaric system
Isothermal system
Open system
Closed system

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Chemistry
The luster of a metal is due to

its chemical inertness
its high density
its high polishing
presence of free electrons

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MORE MCQ ON Chemistry

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