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Chemistry

Chemistry
Which one of the following is not present in cement ?

Clay
Gypsum
Alumina
Alum

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Chemistry
Which of the following vegetable oils does not contain essential fatty acids ?

Groundnut oil
Mustard oil
Coconut oil
Sunflower oil

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Chemistry
The total energy of revolving electron in an atom

Can never be positive
Will always be positive
Can have any value above zero
Cannot be negative

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Chemistry
Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

CO2
O3
All of these
CO

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Chemistry
Commercially, sodium bicarbonate is known as

Soda ash
Washing soda
Bleaching powder
Baking soda

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Chemistry
Milk is a colloidal system in which:

Fat is dissolved
Water is dispersed in fat
Fat and water are dispersed in each other
Fat is dispersed in water

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