Chemistry
Name the scientists who discovered the following:
(a) Atoms
(b) Oxygen
(c) Safety lamp
(d) Elements
Chemistry Intro
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Answer
(a) John Dalton
(b) Joseph Priestley
(c) Sir Humphry davy
(d) Antoine Lavoisier
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Match the following words in column A with those in column B :
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cosmetic(b) Green revolution (ii) nylon,
wool(c) Building materials (iii) agriculture (d) Commodities of
daily use(iv) mortar, cement Match the following scientists in column A with their discoveries or contribution in column B :
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(two times)(d) Sir Humphry davy (iv) Atomic theory Give two examples for each of the following substances:
(a) food preservatives
(b) fuels
(c) fungicides
(d) medicines
(e) building materials
(f) chemical war weapons
Answer the following in one or two sentences:
(a) What is science?
(b) What is chemistry?
(c) What is a fuel ?
(d) What is Philosopher's stone'?