The Purest form of water can be obtained from:-
I) a deep tube well
II) a running stream
III) a hot water spring
IV) a heavy shower of rain
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Which are the important pulsating nebulae?
The gases used in different types of welding would include 1 Oxygen and hydrogen 2 Oxygen, acetylene and argon 3 Oxygen and acetylene 4 None of these
The final products of combustion of ethane are 1 Carbon and oxygen 2 Ethylene and Hydrogen 3 Water and Carbon monoxide 4 Carbon dioxide and water
exactly how does an RTD 3 wire or 4 wire device cancel out the resistance of the wires , opposed to a 2 wire RTD? Is it because you have resistors in parallel , or because something to do with the electronic circuit the RTD is connected to ?
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
What is the speed of arihant?
List out the General Objectives of teaching Physical science at Primary stages.
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Soap is a mixture of sodium or potassium salts of 1 Monocarboxylic acids 2 Glycerol’s 3 Dicarboxylic acids 4 Tricarboxylic acids
what is the force that helping the earth to revolve by its own.
Potassium nitrate is used in 1 Salt 2 Glass 3 Fertilizer 4 Medicine
Carbon, diamond and graphite are together called 1 Isomers 2 Allotropes 3 Isomorphs 4 Isotopes
How does common salt help in separating soap from the solution after saponification? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 None of these