Substances has giant covalent structure, This of the following substances h...

This of the following substances has giant covalent structure: (1) Iodine crystal                               (2) Solid  co 2   (3) Silica (4)  White phosphorus A

Ionic bond,

Chemical combination, the verification of the law of chemical combination

the verification of the law of chemical combination

How does vulcanization change the natural rubber, a. How does vulcanization...

a. How does vulcanization change the character of natural rubber? b. Why are the numbers 66 and 6 put in the names of nylon-66 and nylon-6?

Valence Electrons, why is the valence electron 4s2 in the elelment Sc21 an...

why is the valence electron 4s2 in the elelment Sc21 and not 3d1?

Find out the temperature of ellingham diagrams, Q. Find out the temperature...

Q. Find out the temperature of Ellingham diagrams? Ellingham diagrams are very useful for finding out the temperature at which appreciable reaction occurs. The lower the ΔG 0

Show the combination of taste and aroma, Q. Show the combination of taste a...

Q. Show the combination of taste and aroma? Flavour is composed of two subcategories, which are taste and odour. Flavour of a food is judged on the basis of the sensory messag

Determine a crystal of nacl, Which forms a crystal of Nacl: (1)  Nacl  ...

Which forms a crystal of Nacl: (1)  Nacl  molecules (2) Na + and cl - ions (3)  Na andcl atoms (4) None of the above Ans: Na + and cl - ions

University, discovered boron family

discovered boron family

Purification of raw water for domestic use, Purification of raw water for d...

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