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Ceebook Answer Chemistry 2023

Question 1:

Which of the following is a greenhouse gas?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
e) I do not know

Question 2:

What is the chemical formula for water?
a) H2O
b) CO2
c) NaCl
d) CH4
e) I do not know

Question 3:

Which of the following is a transition metal?
a) Copper
b) Zinc
c) Aluminum
d) Sodium
e) I do not know

Question 4:

What is the pH value of a neutral solution?
a) 7
b) 1
c) 10
d) 14
e) I do not know

Question 5:

Which of the following is an alkali metal?
a) Sodium
b) Calcium
c) Iron
d) Nickel
e) I do not know

Question 6:

What is the main component of natural gas?
a) Methane
b) Oxygen
c) Carbon dioxide
d) Nitrogen
e) I do not know

Question 7:

Which of the following elements is a halogen?
a) Fluorine
b) Magnesium
c) Potassium
d) Aluminum
e) I do not know

Question 8:

What is the chemical symbol for iron?
a) Fe
b) Ag
c) Pb
d) Cu
e) I do not know

Question 9:

Which of the following is an example of a chemical change?
a) Boiling water
b) Cutting paper
c) Melting ice
d) Burning wood
e) I do not know

Question 10:

What is the unit of electric current?
a) Ampere
b) Volt
c) Ohm
d) Watt
e) I do not know

Question 11:

Which of the following is a renewable energy source?
a) Solar power
b) Coal
c) Natural gas
d) Petroleum
e) I do not know

Question 12:

What is the molecular formula for glucose?
a) C6H12O6
b) H2O
c) CH4
d) NaCl
e) I do not know

Question 13:

Which of the following is a noble gas?
a) Helium
b) Nitrogen
c) Chlorine
d) Hydrogen
e) I do not know

Question 14:

What is the atomic number of carbon?
a) 6
b) 12
c) 16
d) 20
e) I do not know

Question 15:

Which of the following is an example of a homogeneous mixture?
a) Saltwater
b) Sand and water
c) Oil and vinegar
d) Concrete
e) I do not know

Question 16:

What is the chemical formula for table salt?
a) NaCl
b) H2SO4
c) CO2
d) HCl
e) I do not know

Question 17:

Which of the following is a greenhouse gas?
a) Methane
b) Nitrogen
c) Argon
d) Neon
e) I do not know

Question 18:

What is the molecular formula for sulfuric acid?
a) H2SO4
b) HCl
c) NaOH
d) CO2
e) I do not know

Also Read:ÂWAEC Chemistry Expo 2023 Essay and Objective for 24th May