Half Book 2

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1. Why are carboxylic acids acidic in nature?

A Due to presence of –OH group only

B Due to release of H+ from –COOH group

C Due to presence of carbonyl group

D Due to high molecular mass

2. Ethanoic acid is used in everyday life as:

A Soap

B Vinegar

C Detergent

D Perfume

3. Reaction of ethanoic acid with sodium hydroxide gives:

A Sodium ethanoate and water

B Sodium ethanol and water

C Ethanol and sodium

D Ethane and water

4. What is the functional group of alcohols?

A -COOH

B -OH

C -CHO

D -NH2

5. Which homologous series differs by -CH2- unit?

A Inorganic compounds

B Organic compounds

C Ionic compounds

D Metallic compounds

6. Which compound gives effervescence with sodium bicarbonate?

A Alcohol

B Aldehyde

C Carboxylic acid

D Ester

7. Which nutrient regulates body processes?

A Carbohydrates

B Proteins

C Vitamins

D Fats

8. General formula of alkynes is:

A CnH2n+2

B CnH2n

C CnH2n-2

D CnHn

9. Which polymer is used in making raincoats?

A Nylon

B PVC

C Polystyrene

D Teflon

10. Ethanol is manufactured by fermentation of:

A Ethene

B Glucose

C Methane

D Starch only

Half Book 2

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