Here are the most best questions and answers on chemistry questions for the year 2025 ,we are here to help all the students that has interested on our correspondence likely questions and answers for the year 2025 thanks
Here are 40 sample questions and answers for JAMB Chemistry:
- Question: What is the smallest unit of matter?
Answer: Atom. - Question: What is the process of converting a solid to a gas called?
Answer: Sublimation. - Question: What is the chemical symbol for gold?
Answer: Au. - Question: What is the process of combining two or more elements to form a compound called?
Answer: Chemical reaction. - Question: What is the pH of a neutral solution?
Answer: 7. - Question: What is the chemical name for water?
Answer: Hydrogen oxide. - Question: What is the process of separating a mixture of substances based on their densities called?
Answer: Fractional distillation. - Question: What is the chemical symbol for silver?
Answer: Ag. - Question: What is the process of converting a gas to a liquid called?
Answer: Condensation. - Question: What is the pH of a basic solution?
Answer: Above 7. - Question: What is the chemical name for common salt?
Answer: Sodium chloride. - Question: What is the process of separating a mixture of substances based on their boiling points called?
Answer: Distillation. - Question: What is the chemical symbol for copper?
Answer: Cu. - Question: What is the process of converting a liquid to a gas called?
Answer: Evaporation. - Question: What is the pH of an acidic solution?
Answer: Below 7. - Question: What is the chemical name for baking soda?
Answer: Sodium bicarbonate. - Question: What is the process of separating a mixture of substances based on their magnetic properties called?
Answer: Magnetic separation. - Question: What is the chemical symbol for zinc?
Answer: Zn. - Question: What is the process of converting a solid to a liquid called?
Answer: Melting. - Question: What is the pH of a solution that is neither acidic nor basic?
Answer: 7. - Question: What is the chemical name for washing soda?
Answer: Sodium carbonate. - Question: What is the process of separating a mixture of substances based on their particle sizes called?
Answer: Filtration. - Question: What is the chemical symbol for iron?
Answer: Fe. - Question: What is the process of converting a gas to a solid called?
Answer: Deposition. - Question: What is the pH of a solution that is strongly acidic?
Answer: Below 4. - Question: What is the chemical name for dry ice?
Answer: Solid carbon dioxide. - Question: What is the process of separating a mixture of substances based on their solubilities called?
Answer: Crystallization. - Question: What is the chemical symbol for tin?
Answer: Sn. - Question: What is the process of converting a liquid to a solid called?
Answer: Freezing. - Question: What is the pH of a solution that is strongly basic?
Answer: Above 10. - Question: What is the chemical name for plaster of Paris?
Answer: Calcium sulphate hemihydrate. - Question: What is the process of separating a mixture of substances based on their densities called?
Answer: Density separation. - Question: What is the chemical symbol for lead?
Answer: Pb. - Question: What is the process of converting a gas to a liquid called?
Answer: Liquefaction. - Question: What is the pH of a solution that is weakly acidic?
Answer: Between 4 and 7. - Question: What is the chemical name for bleach?
Answer: Sodium hypochlorite. - Question: What is the process of separating a mixture of substances based on their boiling points called?
Answer: Fractional distillation. - Question: What is the chemical symbol for mercury?
Answer: Hg. - Question: What is the process of converting a solid to a liquid called?
Answer: Thawing. - Question: What is the pH of a solution that is weakly basic?
Answer: Between 7 and 10.
Please note that these questions and answers are just samples and may not reflect the actual questions and answers on the JAMB Chemistry exam.