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Chemistry

Chemistry
The gas used for artificial fruit ripening of green fruit is

Methane
Ethane
Ethylene
Acetylene

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Chemistry
The most abundant element in the earth’s atmosphere is

Nitrogen
Krypton
Argon
Oxygen

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Chemistry
Which of the following is not soluble in water ?

Sodium sulphate
Zinc sulphate
Potassium sulphate
Lead Sulphate

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Chemistry
What is 'milk of magnesia' chemically?

Magnesium hydroxide
Magnesium carbonate
Calcium hydroxide
Sodium bicarbonate

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Chemistry
Citric acid is present in free form in

Apple
Milk
Lemon
Tamarind

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Chemistry
Interveinal necrotic spots on leaves appear due to

O3injury
HF injury
SO2injury
NO2injury

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MORE MCQ ON Chemistry

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