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Chapter: 9th Science : Chemistry : Acids, Bases and Salts

One Mark Questions Answers

Science : Chemistry : Acids, Bases and Salts : Book Back Important Questions, Answers, Solutions : I. Choose the correct answer, II. Fill in the blanks, III. State whether true or false. If false, correct the statement, IV. Match the following, V. Assertion and reason type questions

CHEMISTRY

ACIDS, BASES AND SALTS

TEXT BOOK EXERCISES

 

I. Choose the correct answer :

 

1. Zn + 2 HCl → ZnCl2 + ....↑ (H2, O2, CO2)

[Answer: H2]

2. Apple contains malic acid. Orange contains ――― (citric acid, ascorbic acid).

[Answer: ascorbic acid]

3. Acids in plants and animals are organic acids. Whereas Acids in rocks and minerals are ――― (Inorganic acids, Weak acids).

[Answer: Inorganic acids]

4. Acids turn blue litmus paper to ――― (green, red, orange).

[Answer: Red]

5. Since metal carbonate and metal bicarbonate are basic, they react with acids to give salt and water with the liberation of ____________ (NO2, SO2 , CO2).

[Answer: CO2]

6. The hydrated salt of copper sulphate has ――― colour (red, white, blue).

[Answer: Blue]

 

Tags : Acids, Bases and Salts | Chemistry | Science , 9th Science : Chemistry : Acids, Bases and Salts
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9th Science : Chemistry : Acids, Bases and Salts : One Mark Questions Answers | Acids, Bases and Salts | Chemistry | Science


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