MCQ Practice – Class 6 to 10

Q1. The process of heating ore in absence of air is:

A. Roasting B. Reactivity C. Calcination D. Electrolysis

Q2. Metals react with oxygen to form:

A. Acidic oxides B. Neutral oxides C. Salt D. Basic oxides

Q3. Which metal can be cut with a knife?

A. Potassium B. Iron C. Copper D. Zinc

Q4. Which of the following forms amphoteric oxides?

A. Carbon B. Iron C. Magnesium D. Aluminium

Q5. Which of the following is a metal?

A. Sulphur B. Iodine C. Copper D. Carbon

Q6. A displacement reaction occurs when:

A. Two metals melt together B. A more reactive metal displaces a less reactive metal C. A compound breaks into simpler substances D. Two salts exchange ions

Q7. The non-metal used for water purification is:

A. Iodine B. Chlorine C. Sulphur D. Carbon

Q8. Which non-metal is essential for respiration?

A. Chlorine B. Oxygen C. Helium D. Hydrogen

Q9. Which of these metals is used to make electrical wires?

A. Copper B. Lead C. Iron D. Sodium

Q10. Iron nails kept in copper sulphate solution turn:

A. White B. Green C. Red D. Brown

Quiz – Metals and Non-Metals