Acid Base & Salt [MCQ-01]

RULES FOR THE QUIZ

• All the questions need to be answer.
• For 1 correct question you will get +1 mark.
• For 1 incorrect question you will get -0.25 mark.

Q1: Which is true about acid?

Sour in taste. Turns blue litmus red. Release H+ ion in aqueous solution. All the above.

Q2: Which is true about base?

Bitter in taste. Turns red litmus blue. Release OH- ion in aqueous solution. All the above.

Q3: Which is the common property of acid and base?

H+ ion released in aqueous solution. OH- ion released in aqueous solution. Corrosive in nature. None of these.

Q4: When acid reacts with metal?

It releases H₂ gas. It releases O₂ gas. It releases Cl₂ gas. None of these.

Q5: When acid reacts with base?

Salt is formed. Water is formed. Neutralization reaction occur. All of these.

Q6: All acids produce _____ ion in aqueous solution

H+. OH-. Both. None of these.

Q7: All bases produce _____ ion in aqueous solution

H+. OH-. Both. None of these.

Q8: What is chemical formula of Carbonic acid?

HCl HNO₃ H₂PO4 H₂CO₃

Q9: What is chemical formula of Nitric acid?

HCl HNO₃ H₂PO4 H₂CO₃

Q10: What is chemical formula of Phosphoric acid?

HCl HNO₃ H₂PO4 H₂CO₃