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Chemistry

Chemistry
Which component referred to as 'Milk sugar'?

Lactose
Galactose
Maltose
Sucrose

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Chemistry
The green colour seen in firework displays is due to the chloride salt of :

Barium
Calcium
Strontium
Sodium

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Chemistry
Which of the following is colourless ?

Phosphorus
Oxygen
Chlorine
Sulphur

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Chemistry
The natural source of hydro-carbon is

Crude oil
Biomass
Carbohydrates
Coal

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Chemistry
Vulcanized rubber contains sulphur

10-15%
0.02
3-5%
7-9%

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Chemistry
The amount of chlorine available in water after disinfection is called as

Combined available chlorine
Residual chlorine
Free chlorine
Free available chlorine

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MORE MCQ ON Chemistry

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