SS1 First Term Chemistry Past Questions and Answers

SS1 chemistry questions with options and answers:

What is the chemical symbol for gold?

 

A) Ag

B) Au

C) Fe

D) Cu

Answer: B) Au

Which gas is responsible for the green color in plants?

 

A) Oxygen

B) Carbon dioxide

C) Chlorine

D) Hydrogen

Answer: C) Chlorine

What is the pH of a neutral solution?

 

A) 7

B) 14

C) 0

D) 1

Answer: A) 7

Which element is the most abundant in Earth’s crust?

 

A) Oxygen

B) Silicon

C) Carbon

D) Iron

Answer: A) Oxygen

What is the chemical formula for water?

 

A) H2O

B) CO2

C) O2

D) CH4

Answer: A) H2O

Which gas do plants absorb during photosynthesis?

 

A) Nitrogen

B) Carbon dioxide

C) Oxygen

D) Hydrogen

Answer: B) Carbon dioxide

What is the chemical symbol for sodium?

 

A) Sa

B) So

C) Na

D) Ni

Answer: C) Na

Which gas is responsible for the greenhouse effect?

 

A) Oxygen

B) Nitrogen

C) Carbon dioxide

D) Helium

Answer: C) Carbon dioxide

What is the chemical formula for methane?

 

A) CO2

B) CH4

C) H2O

D) N2

Answer: B) CH4

Which subatomic particle has a positive charge?

 

A) Electron

B) Neutron

C) Proton

D) Photon

Answer: C) Proton

What is the chemical symbol for iron?

A) I

B) Ir

C) Fe

D) In

Answer: C) Fe

In the periodic table, which group do noble gases belong to?

A) Group 1

B) Group 2

C) Group 17

D) Group 18

Answer: D) Group 18

Which of the following is a metalloid?

A) Sodium

B) Silicon

C) Oxygen

D) Chlorine

Answer: B) Silicon

What is the chemical symbol for silver?

A) Ag

B) Au

C) Al

D) Si

Answer: A) Ag

What is the main component of natural gas?

A) Methane

B) Ethane

C) Propane

D) Butane

Answer: A) Methane

Which gas is produced during cellular respiration?

A) Oxygen

B) Carbon dioxide

C) Nitrogen

D) Hydrogen

Answer: B) Carbon dioxide

What is the chemical formula for table salt?

A) NaCl

B) HCl

C) KCl

D) MgCl2

Answer: A) NaCl

Which element is essential for the process of photosynthesis?

A) Carbon

B) Nitrogen

C) Phosphorus

D) Chlorine

Answer: A) Carbon

What is the chemical symbol for copper?

A) Ca

B) Co

C) Cu

D) Cr

Answer: C) Cu

Which type of bond involves the sharing of electrons

between atoms?

A) Ionic bond

B) Covalent bond

C) Metallic bond

D) Hydrogen bond

Answer: B) Covalent bond