In fireworks, the green flame is produced because of
1 Mercury
2 Sodium
3 Potassium
4 Barium
Bleaching powder is made from 1 Sulphur dioxide and gypsum 2 Chlorine and charcoal 3 Soda ash and lilme 4 Lime and chlorine
what are the advantages and disadvantages of empirical knowledge?
What is meant by Incidental Correlation?
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abbrivation for ROA in oracle?
1.what is a pasacline?who invented it? 2.who was the first man to go into space?
Which of the following metals is a better conductor of electricity? A. Silver B. Copper
Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium
what are advantages of excess populatoin?
the basic approach to science was established by:
Which of the following has the lease penetrating power? 1 Alpha particles 2 Beta particles 3 Gamma rays 4 All have the same penetrating power
A mixture of water and alcohol can be separated by 1 Filtration 2 Evaporation 3 Distillation 4 Decantation
The element found on the surface of the moon is 1 Tin 2 Tungsten 3 Tantalum 4 Titanium