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PRACTICE TEST PAPER Xth std
1. A basic oxide will be formed by the element:
a)P
b)S
c)K
d)Ca
2. The most reactive metal among the following is:
a)tin
b)sodium
c) iron
d)copper
3. The least reactive metal among the following is:
a)Cu
b)Pb
c)Na
d)Ag
4. A soft metal that can be cut with a knife is:
a)iron
b) magnesium
c) phosphorus
d) sodium
5. The element which is not kept in kerosene is:
a) potassium
b) sodium
c) sodium and potassium
d) Mercury
6. The metal which exist in liquid state is:
a) sodium
b) Mercury
c) lithium
d) potassium
7. A non -metal which is lustrous is:
a) sulphur
b) carbon
c) iodine
d) bromine
8. The metal which is highly reactive and kept in kerosene are:
a) potassium and sodium
b) magnesium and sodium
c) lithium and calcium
d) iron and potassium
9. Zinc oxide is an example of:
a) neutral oxide
b) basic oxide
c) amphoteric oxide
d) acidic oxide
10. The non metal which is stored under water is:
a)carbon
b) hydrogen
c) red phosphorus
d) white Phosphorus
11. The type of elements which usually show brittleness are:
a) non - metals
b) metals
c) metalloids
d) alkalis
12. A metal having low melting point and a non metal having very high melting points are:
a) sodium and carbon
b) sodium and diamond
c) potassium and carbon
d) magnesium and diamond
13. Which among the following are amphoteric oxides:
a) magnesium oxide and zinc oxide
b) zinc oxide and nitrogen dioxide
c) Aluminium oxide and magnesium oxide
d) zinc oxide and Aluminium oxide
14. The metals which are most malleable and ductile are:
a) Copper and iron
b) gold and silver
c) magnesium and iron
d) magnesium and copper
15. The metals having low melting point so that they start melting in hand are:
a) gallium and caesium
b) sodium and potassium
c) gallium and sodium
d) potassium and caesium
16. A non metal which is not strong and has low strength is:
a) diamond
b) sulphur
c) graphite
d) phosphorus
17. The colour of chlorine is:
a) yellowish green
b) white or red
c) black
d) yellow
18. The ratio of concentration of nitric acid and concentrated hydrochloric acid in Aqua-regia is:
a) 3:1
b)2:1
c)1:3
d)1:2
19. It is used in the hydrogenation of vegetable oils to make vegetable ghee or vanaspati ghee:
a) carbon
b) hydrogen
c) oxygen
d) nitrogen
20. Are covalent molecule having a double bond between its atom is:
a) water
b) ammonia
c) hydrogen
d) oxygen
21. In stainless steel alloy the metal iron is mixed with:
a) chromium and nickel
b) Copper and chromium
c) Copper and nickel
d) chromium and tin
22. The alloy having Mercury as one of its constituents is:
a) stainless steel
b) zinc amalgam
c) Solder
d) duralumin
23. Brass is an alloy of:
a)Cu and Sn
b)Cu and Pb
c)Pb and Sn
d)Zn and Cu
24. A sulphide ore is converted into metal oxide by the process of:
a) roasting
b) calcination
c) anodizing
d) carbonation
25. During the process of galvanization a thin coating is given to iron metal .This metal is:
a) tin
b) chromium
c) zinc
d) copper
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ANSWERS
1 c)K
2 b) Sodium
3 d) Ag
4 d) Sodium
5 d) Mercury
6 b) Mercury
7 c) Iodine
8 a) Potassium and Sodium
9 c) amphoteric oxide
10 d) white Phosphorus
11 a) non - metals
12 b) sodium and diamond
13 d) zinc oxide and Aluminium oxide
14 b) gold and silver
15 a) gallium and caesium
16 c) graphite
17 a) yellowish green
18 c)1:3
19 b) hydrogen
20 d) oxygen
21 a) chromium and nickel
22 b) zinc amalgam
23 d)Zn and Cu
24 a) roasting
25 c) zinc
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