Of the following metals which, one pollutes the air of a big
city?
1 Copper
2 Chromium
3 Lead
4 Cadmium
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How many colours the sunlight spectrum has ? 1 Five 2 Three 3 Seven 4 Nine
Which type of fire extinguisher is used for petroleum fire? 1 Foam type 2 Soda acid type 3 Powder type 4 None of these
1.how many bones are there in our human body? 2.who invented the aeroplane? 3.the full form for h2o is water 4.the name which is heavier is gold 5.name the symtom which is to cure for night blindness?
Why we use nhexane inplace of hexane in mobilepase preparation
Names of some plants and trees that sleep during the day
Define science
0 Answers Mahatma Gandhi University,
is there any instrument to convert mechanical energy into electrical energy
A man is travelling with the speed of 10m/min across the river to the opposite bank.The river water flows at the speed of 1m/s.Since the water flows at the speed higher than the boatsman, he would definitley reach the opposite river bank in a slant path.What is the length of the path he travelled?. The river is 10m wide. Please give me solution to tha above probelm. Thanks in advance
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Why is it necessary to cook food ?
0.005M K2Cr2O7 solution for calibration of UV.why 0.005M K2Cr2O7?
Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays