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Chemistry

Chemistry
Glycol is used to manufacture which of the following ?

Rubber
Terylene
Nylon
Artificial silk

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Chemistry
When ice cubes are made, the entropy of water

Decreases
May either increase or decrease depending on the process used
Increases
Does not change

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Chemistry
Persons working in cement plants and lime stone quarries are prone to disease like

Silicosis
Cancer
Asthma
Pneumoconiosis

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Chemistry
Citric acid is present in free form in

Apple
Lemon
Tamarind
Milk

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Chemistry
Magnalium is an alloy of

Aluminium and Zinc
Manganese and Magnesium
Magnesium and Tin
Aluminium and Magnesium

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Chemistry
The most electropositive elements among the following is

Cs
K
Ca
Na

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