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Chemistry

Chemistry
Ruby and sapphire are oxides of

Tin
Copper
Iron
Aluminium

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Chemistry
Sweat contains water and ________

Lactic acid
Salt
Vinegar
Citric acid

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Chemistry
Nitrogen is an essential constituent of all :

Vitamins
Fats
Proteins
Carbohydrates

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Chemistry
The metal that is usually extracted from sea water is

Na
Ca
K
Mg

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Chemistry
The element absorbed both in cation and anion form is

Calcium
Phosphorus
Sulphur
Nitrogen

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Chemistry
Lead in water can cause

Eye disease
Kidney damage
Arthritis
Hair falling

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MORE MCQ ON Chemistry

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