Acids and Bases

Question 1

Acid + base = ??

Answer 1

salt + water

Question 2

acid + metal carbonate = ??

Answer 2

salt + water + carbon dioxide

Question 3

What is the test for carbon dioxide

Answer 3

CO2 turns limewater cloudy

Question 4

??? + water = acidic solution

Answer 4

non-metal oxide

Question 5

??? + water = alkaline solution

Answer 5

metal oxide

Question 6

Diluting an acidic solution __________?

Answer 6

reduces concentration of H+ ions and pH increases towards 7

Question 7

Diluting an alkaline solution _________?

Answer 7

Reduces concentration of OH- ions and pH decreases towards 7

Question 8

Acids have higher concentration of __ ions, alkalis have higher concentration of __ ions

Answer 8

H+, OH-

Question 9

Formula for hydrochloric acid

Answer 9

HCl

Question 10

Formula for sulphuric acid

Answer 10

H2 SO4

Question 11

Formula for nitric acid

Answer 11

HNO3

Question 12

Which neutralisation reaction produces carbon dioxide?

Answer 12

acid + metal carbonate

Question 13

formula for sodium hydroxide

Answer 13

NAOH

Question 14

formula for calcium hydroxide

Answer 14

Ca(OH)2