Chemistry
Name the scientists who discovered the following:
(a) Atoms
(b) Oxygen
(c) Safety lamp
(d) Elements
Related Questions
Match the following words in column A with those in column B :
Column A Column B (a) Clothing (i) toothpaste,
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 :
Column A Column B (a) Marie Curie (i) Safety lamp (b) John Dalton (ii) Helium (c) William Ramsey (iii) Nobel prize winner
(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'?