Q1. Which of the following metals is liquid at room temperature?
Q2. Which non-metal is a good conductor of electricity?
Q3. The most malleable metal is:
Q4. Sodium and potassium are stored in:
Q5. Which of the following metal oxides is amphoteric?
Q6. The reaction 3Fe + 4H₂O → Fe₃O₄ + 4H₂ takes place with:
Q7. Which metal CANNOT displace hydrogen from dilute acids?
Q8. The thermite reaction involves:
Q9. Roasting is used for the conversion of:
Q10. Metals of high reactivity (like Na, K, Al) are extracted by:
Q11. In electrolytic refining, the impure metal is used as:
Q12. Ionic compounds conduct electricity:
Q13. Stainless steel is an alloy of:
Q14. Bronze is an alloy of:
Q15. 22 carat gold contains:
Q16. The green coating that forms on copper is:
Q17. Which of the following is NOT a property of ionic compounds?
Q18. Aluminium does not corrode easily because:
Q19. The process of depositing zinc on iron is called:
Q20. Which of the following correctly represents calcination?
