Chapter 10: Acids, Bases and Salts

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1. A solution with pH greater than 7 is:

A Acidic

B Neutral

C Basic

D Saline

2. The products of neutralization reaction are:

A Salt and hydrogen

B Salt and water

C Acid and water

D Base and water

3. Bilal is learning about oxides. He knows that amphoteric oxides can react with both acids and bases. Which of the following is an amphoteric oxide?

A Na2O

B Al2O3

C CO2

D CaO

4. According to Arrhenius, a base produces which ion in water?

A H⁺

B Na⁺

C OH⁻

D Cl⁻

5. Which salt is formed by weak acid and strong base?

A Neutral salt

B Acidic salt

C Basic salt

D Complex salt

6. Which base is commonly used in soap making?

A Calcium hydroxide

B Potassium hydroxide

C Ammonium hydroxide

D Magnesium hydroxide

7. Which property is common in acids?

A Slippery feel

B Bitter taste

C Sour taste

D Sweet taste

8. Which acid is used in fertilizers?

A Hydrochloric acid

B Sulfuric acid

C Nitric acid

D Acetic acid

9. Which indicator turns pink in basic solution?

A Litmus

B Methyl orange

C Phenolphthalein

D Universal indicator

10. Neutralization reaction occurs between:

A Acid and acid

B Base and base

C Acid and base

D Salt and water

Chapter 10: Acids, Bases and Salts

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