40
Minutes
59
Questions
1 / -0
Marking
Q1. Which of the following metals is present in the anode mud during the electrolytic refining of copper?
Sodium
Aluminium
Gold
Iron
Q2. Which of the given properties is generally not shown by metals?
Electrical conduction
Sonorous in nature
Dullness
Ductility
Q3. An element reacts with oxygen to give a compound with a high melting point. The compound is soluble in water. The element is likely to be
calcium
carbon
iron
silicon
Q4. The ability of metals to be drawn into thin wire is known as
Ductility
Malleability
Sonorousity
Conductivity
Q5. An alloy of Zn and Cu is dissolved in dil. HC1. Hydrogen gas is evolved. In this evolution of gas
only zinc reacts with dil. HC1
only copper reacts with dil. HC1
both zinc and copper react with dil. HC1
only copper reacts with water
Q6. Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?
Good thermal conductivity
Good electrical conductivity
Ductility
High melting point
Q7. A greenish coating develops on copper utensils due to formation of
CuCo3
Cu(OH)2
Cu(OH)2.CuCO3
CuO
Q8. Which one of the given metals does not react with cold as well as hot water?
Na
Q9. The second most abundant metal in the earth’s crust is
oxygen
silicon
aluminium
iron
Q10. Which of the given oxide(s) of iron would be obtained on prolonged reaction of iron with steam?
FeO
Fe₂O₃
Fe₃O₄
Fe₂O₃ and Fe₃O₄
Q11. Rusting of iron takes place in
ordinary water
distilled water
both ordinary and distilled water
none of the above
Q12. What happens when calcium is treated with water?
It does not react with water
It reacts violently with water
It reacts less violently with water
Bubbles of hydrogen gas formed stick to the surface of calcium
Q13. The bronze medals are made up of
Cu and Zn
Zn and Ni
Cu and Sn
Cu, Zn, Tn
Q14. Generally metals react with acids to give salt and hydrogen gas. Which of the given acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?
H₂SO₄
HCl
HNO₃
All the these
Q15. The composition of aqua-regia is
Dil.HCl : Conc. HNO₃ = 3 : 1
Conc.HCl : Dil. HNO₃ = 3 : 1
Conc.HCl : Conc. HNO₃ = 3 : 1
Dil.HCl : Dil. HNO₃ = 3 : 1
...and 44 more challenging questions available in the interactive simulator.