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#questiowhy HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?n..
Q. Briefly explain Nuclear Power? Ans. As an energy source, nuclear power is an alternative to fossil fuels. Controlled nuclear chain reactions are used to generate elect
What is pH scale?
why is carbon valency four
defind:smulting, rosting,physical and chemical method
Q. Why we need Sulfuring? Sulfuring is the process which is used to destroy microorganisms and to preserve colour. Fruits after blanching may be dipped into a sulphite solution
Q. What is speed of light wave? Ans. Light is just one type of wave. Like all waves it can be characterized by frequency, wavelength and amplitude. Similarly, light waves ca
An element L has 9 protons and valency 1. Another element M has valency 3 and 5. What is the difference in the number of electrons in L and M ?
Q. How to change in Oxidation Number in Redox Reactions? Ans. In reduction-oxidation, or redox, reactions, atoms undergo changes in their oxidation numbers. Consider th
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