Page 1 - 3-LAB WORKSHEET
P. 1
Name: AdmNo: Class/Sec: ( )
Dt:_________________
5 types of chemical reactions.
1. Iron with copper sulphate solution in water.
2. Burning of magnesium ribbon in air.
3. Zinc with dilute sulphuric acid.
4. Heating of copper sulphate.
5. Sodium sulphate with barium chloride in the form of their solutions in water.
Lab Work sheet
1.What happens to blue colour copper sulphate when zinc is added to it?
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2.Why should magnesium ribbon be cleaned before burning it in
air?________________________________________________________________________
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3. When zinc reacts with sulphuric acid, what is formed and how do you test the same?
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4.Why is it suggested to wear dark coloured goggles while watching the burning of
magnesium ribbon in air?
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MCQs
1. On heating crystals of copper sulphate in a test tube, it is observed that
(a) The substance sublimes
(b) Brown fumes are evolved
(c) A grey mass is formed
(d) White residue is left behind
SIS/PRACTICAL WORK SHEET/ELEMENT,COMPOUNDS,MIXTURE[Type text] Page 1/2
