Water -Multiple Choice Questions Quiz

Interactive MCQs on “Water”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1:What is the chemical formula of water?

(A) H₂O
(B) CO₂
(C) O₂
(D) NaCl

Question 2:At what temperature does water boil at standard atmospheric pressure?

(A) 90°C
(B) 100°C
(C) 110°C
(D) 120°C

Question 3: What is the process of water turning into vapor called?

(A) Condensation
(B) Freezing
(C) Evaporation
(D) Sublimation

Question 4:What percentage of the Earth’s surface is covered by water?

(A) 0.5
(B) 0.6
(C) 0.65
(D) 0.71

Question 5:What is the term for water moving from plants to the atmosphere?

(A) Transpiration
(B) Precipitation
(C) Percolation
(D) Infiltration

Question 6:What type of bond holds water molecules together?

(A) Ionic bonds
(B) Hydrogen bonds
(C) Covalent bonds
(D) Metallic bonds

Question 7:What is the pH of pure water?

(A) 5
(B) 6
(C) 7
(D) 8

Question 8:What is the process of water turning into ice called?

(A) Boiling
(B) Condensation
(C) Evaporation
(D) Freezing

Question 9:Which property of water allows insects to walk on its surface?

(A) Surface tension
(B) Adhesion
(C) Capillary action
(D) Buoyancy

Question 10:What is the largest source of freshwater on Earth?

(A) Rivers
(B) Glaciers and ice caps
(C) Lakes
(D) Groundwater