Q13
a) What is the chemical name of blue vitriol ?
b) How are crystals of copper sulphate prepared?
Q14
a) Shearing is done in
summer season not in winters. Why is shearing done in summers ? What value does this act show ?
b) What are the main hazards of wool industry?
c) Write a note on rearing.
Q15
a) Paheli is suffering from acidity. Is it advisable to give her orange juice in this situation? Why?
Answers
13).
a). Copper(II) sulfate
b). Crystallization is the process by which we can obtain crystals of copper sulphate.
14).
a). Wool is an insulating material that protects the animal from cold environment. Shearing is usually done in summer because sheep do not require insulating material in summer and it helps the animal to sustain easily in summer as well.
b). The most common health and safety hazards identified in the wool shed that can affect you are: sprains and strains, wrist and back problems, cuts and bruising, fatigue and dehydration. Some more serious health hazards are: wool based infections, giardia, leptospirosis, hepatitis, tetanus, dermatitis and noise.
c). Rearing of sheep means to look after the sheep by providing them food, shelter and health care. breeding is done to obtain animals with desired characters . the two individuals of desirable character can be selected as parents.
15).
a). Paheli is suffering from indigestion due to acidity. ... Orange juice is acidic in nature and indigestion is caused by excess acid in the stomach. So having orange will make the problem worse then relieving it. Instead, she should be given basic substances like Milk of Magnesia for treatment.
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