WorksheetsMetals and non metals
Total questions: 15
Worksheet time: 13mins
Aluminium is used for making cooking uten¬sils. Which of the following properties of alu¬minium are responsible for the same?
(i) Good thermal conductivity
(ii) Good electrical conductivity
(iii) Ductility
(iv) High melting point
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (i) and (iv)
The most abundant metal in the earth’s crust is
(a) Iron
(b) Aluminium
(c) Calcium
(d) Sodium
The poorest conductor of heat among metals is
(a) Lead
(b) Mercury
(c) Calcium
(d) Sodium
a
b
c
d
Al2O3 + 2NaOH → …… + H2O
(a) Al(OH)3
(b) Na2O
(c) NaAlO2
(d) AlNaO2
a
b
c
d
Which of the following is the correct arrange-ment of the given metals in ascending order of their reactivity?
Zinc, Iron, Magnesium, Sodium
(a) Zinc > Iron > Magnesium > Sodium
(b) Sodium > Magnesium > Iron > Zinc
(c) Sodium > Zinc > Magnesium > Iron
(d) Sodium > Magnesium > Zinc > Iron
a
b
c
d
Which of the following pairs will give dis-placement reactions?
(a) FeSO4 solution and Copper metal
(b) AgNO3 solution and Copper metal
(c) CuSO4 solution and Silver metal
(d) NaCl solution and Copper metal
a
b
c
d
Which of the following oxide(s) of iron would be obtained on prolonged reaction of iron with steam?
(a) FeO
(b) Fe2O3
(c) Fe3O4
(d) Fe2O3 and Fe2O4
a
b
c
d
Which of the following are not ionic compounds?
(i) KCl
(ii) HCl
(iii) CCl4
(iv) NaCl
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(i) and (iii)
The electronic configuration of three elements X, Y and Z are as follows:
X = 2, 4, Y = 2, 7, Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula.
(a) X2Y
(b) ZY
(c) XZ3
(d) Y2Z
a
b
c
d
The atomic number of an element ‘X’ is 12. Which inert gas is nearest to X?
(a) He
(b) Ar
(c) Ne
(d) Kr
a
b
c
d
Which one among the following is an acidic oxide?
(a) Na2O
(b) MgO
(c) CO2
(d) Al2O3
a
b
c
d
An element X is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
(a) Mg
(b) Na
(c) P
(d) Ca
a
b
c
d
Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?
(a) Has high melting point
(b) Has low melting point
(c) Conducts electricity in molten state
(d) Occurs as solid
a
b
c
d
The electronic configurations of three ele¬ments X, Y and Z are X — 2, 8; Y — 2, 8, 7 and Z — 2, 8, 2. Which’of the following is correct?
(a) X is a metal
(b) Y is a metal
(c) Z is a non-metal
(d) Y is a non-metal and Z is a metal
a
b
c
d
Copper objects lose their shine and form green coating of
(a) Copper oxide
(b) Copper hydroxide and Copper oxide
(c) Basic Copper carbonate
(d) Copper carbonate
a
b
c
d
