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Chemistry

Chemistry
Which of the following is the petroleum wax ?

Paraffin wax
Jojoba wax
Carnauba wax
Bees wax

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Chemistry
Which of the toxic heavy metals is found in modern tannery industries ?

Lead
Nickel
Chromium
Zinc

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Chemistry
In a period from Li to F, ionisation potential

Cannot be predicted
Decreases
Increases
Remains same

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Chemistry
Milk is a natural

Mixture
Suspension
Emulsion
Solution

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Chemistry
Bleaching action of moist sulphur di-oxide is because of its

Basic property
Acidic property
Oxidising property
Reducing property

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Chemistry
Element 106 was discovered by

Rutherford
Kurchatove
Lawrence
Seaborg

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