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Which of the following is the basis of modern periodic table?
1 Atomic mass
2 Atomic number
3 Atomic size
4 Atomic volume
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Which of the following is a chemical change? 1 Oxidation 2 Reduction 3 Sublimation 4 Decomposition
Which of the following metals remains in liquid form under normal conditions? 1 Uranium 2 Radium 3 Zinc 4 Mercury
How many colours the sunlight spectrum has ? 1 Five 2 Three 3 Seven 4 Nine
Which of the following is not a neutral oxide? 1 Carbon monoxide 2 Sulphur dioxide 3 Nitric oxide 4 Water
Which of the following re synthetic rubbers? 1.Thiokol 2.Isoprene 3.Neoprene 1 1 and 2 2 2 and 3 3 1 and 3 4 1,2 and 3
What is the Embrylogy ?
Give two National aims of science education
0 Answers Mahatma Gandhi University,
Soda-acid fire extinguisher involves the reaction between 1 Sodium hydroxide and nitric acid 2 Sodium bi carbonate and sulphuric acid 3 Sodium sulphate and carbonic acid 4 Sodium carbonate and hydrochloric acid
What is one light second?
Which of the following is the basis of modern periodic table? 1 Atomic mass 2 Atomic number 3 Atomic size 4 Atomic volume
Explain the role of Science for sustainable Development
0 Answers Mahatma Gandhi University,
Which is the first atomic submarine of india?
Biological Sciences 
