SS2 second Term chemistry past questions and answers

SS2 second Term chemistry past questions and answers

SS2 chemistry questions with options and answers:

Question: What is the chemical symbol for silver?

A) Si

B) Ag

C) Au

D) Al

Answer: B) Ag

Question: Which gas is commonly known as laughing gas?

A) Nitrous oxide

B) Oxygen

C) Carbon monoxide

D) Methane

Answer: A) Nitrous oxide

Question: What is the chemical formula for table salt?

A) NaCl

B) KCl

C) MgCl2

D) CaCl2

Answer: A) NaCl

Question: Which of the following is a property of acids?

A) Bitter taste

B) Turn blue litmus paper red

C) Slippery feel

D) pH above 7

Answer: B) Turn blue litmus paper red

Question: What is the chemical symbol for lead?

A) Ld

B) Le

C) Pd

D) Pb

Answer: D) Pb

Question: In the periodic table, elements in the same ________ have similar chemical properties.

A) Period

B) Group

C) Block

D) Row

Answer: B) Group

Question: What is the formula for the compound formed between calcium and oxygen?

A) CaO

B) CO2

C) CaCO3

D) Ca(OH)2

Answer: A) CaO

Question: Which gas is responsible for the smell of rotten fish?

A) Ammonia

B) Hydrogen sulfide

C) Methane

D) Carbon dioxide

Answer: B) Hydrogen sulfide

Question: What is the chemical formula for hydrogen peroxide?

A) H2O2

B) HO

C) H2O

D) H3PO4

Answer: A) H2O2

Question: What is the valency of oxygen in most compounds?

A) 1

B) 2

C) 3

D) 4

Answer: B) 2

Question: Which of the following is a transition metal?

A) Aluminum

B) Zinc

C) Iron

D) Sodium

Answer: C) Iron

Question: What is the chemical formula for methane?

A) CH4

B) CO2

C) H2O

D) NH3

Answer: A) CH4

Question: What is the process of a gas changing into a liquid called?

A) Condensation

B) Evaporation

C) Sublimation

D) Melting

Answer: A) Condensation

Question: What is the chemical symbol for mercury?

A) Mg

B) Mn

C) Hg

D) He

Answer: C) Hg

Question: Which of the following is a non-metal?

A) Sodium

B) Chlorine

C) Calcium

D) Iron

Answer: B) Chlorine

Question: What is the molar mass of water (H2O)?

A) 16 g/mol

B) 18 g/mol

C) 20 g/mol

D) 22 g/mol

Answer: B) 18 g/mol

Question: Which gas is produced during cellular respiration?

A) Oxygen

B) Carbon dioxide

C) Nitrogen

D) Hydrogen

Answer: B) Carbon dioxide

Question: What is the chemical formula for sulfur dioxide?

A) SO2

B) S2O

C) H2SO4

D) SO

Answer: A) SO2

Question: What is the common name for acetylsalicylic acid?

A) Aspirin

B) Ibuprofen

C) Paracetamol

D) Morphine

Answer: A) Aspirin

Question: What is the chemical formula for glucose?

A) C6H12O6

B) CH3COOH

C) H2O2

D) NaCl

Answer: A) C6H12O6