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Chemistry

Chemistry
Which one of the following chemicals helps in fruit ripening?

Ethephon
Isoproturan
Atrazine
Malathion

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Chemistry
Which one of the following is also known as solution ?

A suspension
A homogeneous mixture
A heterogeneous mixture
A compound

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Chemistry
Percentage of carbon in steel ranges from

4.0 to 6.0
1.5 to 3.0
0.1 to 1.5
3.0 to 4.0

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Chemistry
Milk is a natural

Suspension
Solution
Emulsion
Mixture

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Chemistry
Which of the following is used in welding broken pieces of iron rails and machine parts?

None of these
Solder
Aluminium sulphate
Aluminium powder

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Chemistry
Hamburger effect is otherwise known as–

Respiratory product
Sodium pump
Chloride shift
Anaerobic metabolism

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