What are filters? Why are they used?
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Explain the how to make Alloys?
What is the reaction that occurring between fas and potassium dichromate?
describe the lewis dot structure of Mg2+?
What is the octane number range of te petrol used in India ? 1)90-95 2)90-99 3)80-90
Why is the role of glycerol & naoh?
Explain the Physical change?
What is Basicity of an acid ?
Why are wires used to carry electricity ?
What is oxy-hydrogen flame ?
Which is the hardest substances know ?
Why does the water in tanks and ponds not freeze in winter ?
What is Liquation ?