Explain what are the hydrocarbons?
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is is advisable to give a Pewter finish n Stainless Steel ? State the Advantages & disadvantages.
Explain how do you extract ephedrine from a mineral block?
Whai is the QUAITY as according to pharma or cemica or agro chemica industry?
why all liquid raw materials fallows residue on evaporation at 105Degree temp. but methanol bp 60Degree
Sir, please give me previous year question paper for RRB for the post CHEMICAL AND METALLOGICAL ASSISTANT.
in coupling reactions,why we are using cocatalistand what the use of tetrakis and dikis
Explain the secondary structure of proteins?
Explain the protein in chemistry?
Bolt and nut made of the same metal is preferred in practice. Why? : Electrochemistry Corrosion
What is electrode potential? : Electrochemistry Corrosion
Why we have to add 200mg Na2CO3 in preparation of 0.1N sodium thiosulfate solution?
What is acid anhydride of h2co3?