Question # 1

Stearic acid present in

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Apple

Fats

Urine

Grapes

Pentahydroxy ketone is called as:

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Glucose

Fructose

Starch

Sucross

Out of twenty how many amino acids can by synthesized by human body?

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Five

Ten

Seven

Twelve

Alkalis react with ammonium salt to liberate.

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SO₂

CO₂

NH₃

H₂

Petroleum is refined by:

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destructive distillation

fractional distillation

simple distillation

dry distillation

The number of carbon atoms present in gasoline or petrol.

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5-10

6-10

7-10

8-10

Effects of ozone depletion are following except the one.

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Increases infectious diseases

Increases crops production

Can cause skin cancer

Can cause climatic changes.

Identify which one of the following compounds is a ketron?

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(CH₃)₂ CHOH

(CH₃)₂CHCl

(CH₃)₂CO

(CH₃)₂CHCl

Which of following is not amphoteric?

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H₂O

NH₃

HCO₃

SO₄

All acids turn blue litmus.

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Red

Blue

Pinck

White

On which base atmosphere is divided into four regions?

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Change in pressure

Change in rediation

Change in temperature

Change in volume

Which is Pentahydroxy aldehydes of the following?

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Starch

Glucose

Fructose

Sucrose

Which one of the following organic compound is found is gasoline?

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C₂H₄

C₃H₈

C₇H₁₀

C₁₂H₂₆

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