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Class 10 Science Metals and Non-Metals Worksheet

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Worksheet

Class –X Subject – Science

CHAPTER – 3

METALS AND NON-METALS

1) What is reactivity series?


2) Arrange these metals in decreasing order of their reactivity
Zn, Al , Fe, Mg

3) What is Aqua regia? What is its use?

4) What is displacement reaction? Explain with suitable example.

5) Write four uses of non-metal.

6) Write balance chemical equation for reaction between aluminium and


dil. hydrochloric acid.
7) Write balance chemical equation for reaction between aluminium and
dil. copper sulphate solution.
8) Write balance chemical equation for reaction between copper metal
and dil. aluminium sulphate solution.

9) Why hydrogen gas does not evolve when reactive metal added to
nitric acid?

10) Name two metals which produces hydrogen gas when reacted with
nitric acid.
11) What would you observe when zinc is added to a solution of iron(II)
sulphate ?write the chemical reaction that takes place.

12) A metal M does not liberate hydrogen from acids but reacts with
oxygen to give a black colour product. Identify M and black coloured
product and also explain the reaction of M with oxygen.

13) A solution of CuSO4 was kept in a zinc pot. After few days the zinc
pot was found to have a number of holes in it. Explain the reason in
terms of reactivity. Write the equation of the reaction involved.

14) Define Ionic Bond.


15) Why metals lose electrons?
16) How negative ions are formed?
17) Ionic compounds are soluble in water, Give reason.
18) Write electronic configuration of Na (atomic no,11) and chlorine (atomic no17)

18) Which colour produce when sodium chloride directly heated on flame?
19) Show the formation of MgO by the transfer of electrons.
20) Why do ionic compounds have high melting points?
21) What type of force of attraction shown by ionic compounds?
22) Ionic compounds do not conduct electricity in solid state. Give reason
23) Which non-metal conduct electricity?
24) Name metal which can melt on our palm.
25) Name a liquid non-metal in its elemental form.
26) Write difference between metal and Non-metal.
27) List four uses of metal.
28) Explain the following terms – malleability, Ductility, Sonorous.
29) For making tools metals are used. Give reason.
30) Gold is used for making jewelleries. Give reason.

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