Question

displ
• Placing metals in the
ercises
A VERY SHORT ANSWER QUESTIONS (VSAQ) :
1. Give reasons for the following:
(a) School bells are made up of metal alloys.
(b) Gold and silver are used for making Jewellery,
(c) Silver is used for making contact points in electric switches.
(d) Base of cooking utensils is coated with copper.
(e) Acidic food should not be stored in metal containers made up of copper and aluminium.
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Answer 1

Answer:

(a) they are sonorous

(b) because gold and metal are less reactive

(c) good conductor,less reactive

(e)becoz they(acids) react with metal to form h2o