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Give six uses of acids.

Answer: The uses of acids are as follows. (1) The industrial production of explosives, dyes, paints, and fertilizers involves the use of... View Article

Factorise (x2-y2)/100

Answer: (x2-y2)/100 = x2/100 - y2/100 = (x/10)2 - (y/10)2 Use identity (a2 - b2) = (a-b) (a+b) = [(x/10) - (y/10)] [(x/10) + (y/10)]... View Article