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simply explanation
Ionic and covalent bonds are present in: (1) CCl 4 (2) CaCl 2 (3) NH 4 Cl
The uncertainty in momentum of an electron is 1 x10 -5 kg- m/s . The uncertainty in its position will be (h= 6.62 x 10 -34 kg - m 2 / s): (1) 1.05 x 10- 28 m
What property command to water soluble vitamins permits water solubility Ans) Because of 1]OH bond between them 2] polar componets 3] Availibility of in nature
write short note on vulcanization?
The radius of the nucleus is related to the mass number A by : (1 )R= R 0 A 1/2 (2) R= R 0 A (3) R= R 0 A 2
Classification of polymers Classification lies on source of availability: They are categorized as (a) Natural polymers (b) Synthetic polymers
The formal charge on the hydrogens are The formal charge on all the hydrogens is 0. For the other atoms: (a) Nitrogen has a complete octet and a formal charge of 0. (b) B
explanation..
Purification of raw water for domestic use involve following process: (1) SCREENING: T he raw water is passed through screens having large number of holes where floati
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