Q.7. Sulphur dioxide react with water vapor and other substances in the air to form
a) carbonic acid (H2CO3)
c) sulphuric acid (H2SO4)
b) hydrochloric acid (HCI)
d) nitric acid (HNO3)
Q.8. Nitrogen oxides react with water vapor and other substances in the air to form
a) carbonic acid (H2CO3)
c) sulphuric acid (H2SO4)
b) hydrochloric acid (HCI)
d) nitric acid (HNO3)
Q.9. Which of the following term defines as the release of harmful substances into the
environment?
a) Transpiration
c) Precipitation
Q.10. Acid rain
b) Pollution
d) Deposition
the pH of lakes and rivers which harms fish, clams, and other
aquatic animals.
a) increases
Q.11. A pH of 7.0 is defined as
a) acidic
c) neutral
b) decreases
b) alkaline
d) basic
0.12 What is the pH of pure water?
a) carbonic acid (H2CO3)
c) sulphuric acid (H2SO4)
b) hydrochloric acid (HCI)
d) nitric acid (HNO3)
Q.8. Nitrogen oxides react with water vapor and other substances in the air to form
a) carbonic acid (H2CO3)
c) sulphuric acid (H2SO4)
b) hydrochloric acid (HCI)
d) nitric acid (HNO3)
Q.9. Which of the following term defines as the release of harmful substances into the
environment?
a) Transpiration
c) Precipitation
Q.10. Acid rain
b) Pollution
d) Deposition
the pH of lakes and rivers which harms fish, clams, and other
aquatic animals.
a) increases
Q.11. A pH of 7.0 is defined as
a) acidic
c) neutral
b) decreases
b) alkaline
d) basic
0.12 What is the pH of pure water?