Chemistry
(a) …………… deals with the study of matter and the changes it undergoes.
(b) …………… help to increase the production of food.
(c) Food items like jams and pickles are protected by using ……………
(d) L.P.G. is used for ……………
(e) Inert gases were discovered by ……………
Chemistry Intro
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Answer
(a) Chemistry deals with the study of matter and the changes it undergoes.
(b) Fertilisers help to increase the production of food.
(c) Food items like jams and pickles are protected by using preservatives.
(d) L.P.G. is used for cooking.
(e) Inert gases were discovered by William Ramsay.
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