Last Updated On [03-11-2023]
All of the following processes involve a separation of either a mixture into its components, or a compound into elements. For each, decide whether a physical process or a chemical reaction is required.
(i) Sodium metal is obtained from the substance sodium chloride.
(ii) Iron filings are separated from sand by using a magnet.
(iii) Sugar crystals are separated from sugar syrup by evaporation of water
(iv) Fine crystals of silver chloride are separated from a suspension of the crystals in water
(v) Copper is produced when zinc metal is placed in a solution of copper (II) sulphate, a compound.
Physical process Chemical process
(a)
i, ii, iii iv, v
(b)
i,iv ii, iii, v
(c)
ii, iii, iv i, v
(d)
v I, ii, iii, iv
All of the following processes involve a separation of either a mixture into its components, or a compound into elements. For each, decide whether a physical process or a chemical reaction is required.
(i) Sodium metal is obtained from the substance sodium chloride.
(ii) Iron filings are separated from sand by using a magnet.
(iii) Sugar crystals are separated from sugar syrup by evaporation of water
(iv) Fine crystals of silver chloride are separated from a suspension of the crystals in water
(v) Copper is produced when zinc metal is placed in a solution of copper (II) sulphate, a compound.
Physical process Chemical process
(a)
i, ii, iii iv, v
(b)
i,iv ii, iii, v
(c)
ii, iii, iv i, v
(d)
v I, ii, iii, iv
Question ID - 154910 :-
All of the following processes involve a separation of either a mixture into its components, or a compound into elements. For each, decide whether a physical process or a chemical reaction is required.
(i) Sodium metal is obtained from the substance sodium chloride.
(ii) Iron filings are separated from sand by using a magnet.
(iii) Sugar crystals are separated from sugar syrup by evaporation of water
(iv) Fine crystals of silver chloride are separated from a suspension of the crystals in water
(v) Copper is produced when zinc metal is placed in a solution of copper (II) sulphate, a compound.
Physical process Chemical process
(a)
i, ii, iii iv, v
(b)
i,iv ii, iii, v
(c)
ii, iii, iv i, v
(d)
v I, ii, iii, iv
|
All of the following processes involve a separation of either a mixture into its components, or a compound into elements. For each, decide whether a physical process or a chemical reaction is required. (i) Sodium metal is obtained from the substance sodium chloride. (ii) Iron filings are separated from sand by using a magnet. (iii) Sugar crystals are separated from sugar syrup by evaporation of water (iv) Fine crystals of silver chloride are separated from a suspension of the crystals in water (v) Copper is produced when zinc metal is placed in a solution of copper (II) sulphate, a compound. Physical process Chemical process |
|||
|
(a) |
i, ii, iii iv, v |
(b) |
i,iv ii, iii, v |
|
(c) |
ii, iii, iv i, v |
(d) |
v I, ii, iii, iv |
Next Question :
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White silver chloride turns-------------- in sunlight. 2AgCl(s) |
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|
(a) |
grey |
(b) |
brown |
(c) |
blue |
(d) |
green |
2Ag(s) +cl2(g)View Topper Answer
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