What are cosmic rays?
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In laundry soaps, a material called ‘filler’ is used. Which of the following is a ‘filler? 1 Talc 2 Sodium silicate 3 Soda ash 4 Sodium phosphate
The year in which magnetic observations were started in mumbai and thiruvananthapuram?
The material used for bleaching paper pulp is 1 Chlorine 2 Caustic soda 3 Sodium hypochlorite 4 Lime
Why Colours is Important in Our Daily Life???
Chemical change does not take place in case of 1 Souring of milk into curd 2 Rusting of iron in atmosphere 3 Burning of magnesium ribbon in air 4 emitting of light by a red hot platinum wire
3 Answers Banking, Eastern Railway,
when u step up the voltage using atransformer ,,,then what about the secondary current will it be increased or decreased ?
Which of the following gases is not known as green house gas? 1 Carbon dioxide 2 Methane 3 Nitruous oxide 4 Hydrogen
4 Answers ACIO, Infosys, ptet,
What is the Movement ?
Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead
Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones
A moderator is used in nuclear reactors in order to 1 Increase the number of neutrons 2 Decrease the number of neutrons 3 Slow down the speed of neutrons 4 Accelerate the neutrons
A substance which changes readily into vapor without heating is called 1 Efflorescent 2 Synthetic 3 Volatile 4 Effervescent