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0.205g of a metal on treatment with dilute acid gave 106.6ml of hydrogen collected over water at 755mm pressure and 17 degree Celsius. calculate the equivalent mass of the metal. (
Preparation of frcon
Atoms or group of atoms which are electrically charged are known: (1) Anions (2) Cations (3) Ions (4) Atoms Ans:
An element have atomic weight 40 and it's electronic configuration is 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 . Then its atomic number and number of neutrons will be: (1) 18 and 22
What is the chemical formula for hard water?
define the terms -cogulation ,tyndal effect ,gold number ,adsorbate ,adsorbent ,electrophoresis ,hardy schulzes rule ,peptisation ,promoters ,poisions ,browiner movement ,dialysis.
Sensory panel During the product development cycle it is necessary to conduct periodic quality assessment of the product being developed. This is done either with a consumer
what is the reason for kmno4 to exibhit pink colour
what are the properties of acid halides
List orbitals from biggest to smallest, 3s, 3p, 3d.
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