The recent atomic weight scale is based on
1 1H1
2 1H2
3 6C12
4 8O16
Brass is an alloy of 1 Nickel and copper 2 Zinc and copper 3 Nickel and zinc 4 Nickel and silver
Water is a compound because 1 It exists as a solid, a liquid or a gas 2 It contains hydrogen and oxygen 3 It contains two different elements joined by chemical bonds 4 It cannot be split up into simpler substances by chemical means
What is the Botany?
In which year, physical laboratory in ahmedabad was founded?
In which year the solar observatory in kodikanal founded?
Why we use nhexane inplace of hexane in mobilepase preparation
why nitrogen is about 70%(i.e.)highest percentage in environment
is there any instrument to convert mechanical energy into electrical energy
Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these
4 Answers ECAT, Group 4 iv, Qnet, UPSC,
iwant to learn robotics so how can iproceed
What are different constituents of food? Explain
14 Answers College School Exams Tests, DHMCT, HCL,
What is condensation? 1 Change of gas into solid 2 Change of solid into liquid 3 Change of vapour into liquid 4 Change of heat energy into cooling energy