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chemical bonding
what is the chemical raction of a titration using sodium hydroxide and phenophthalein?
2Zns + 3O 2 ---------> 2ZnO + 2SO 2 ZnCO 3 -------------> ZnO + CO 2 ZnO +C ------> Zn +CO ZnO + CO -----------> Zn + C0 2
what is the use of d-block elements
Q. What is Alloys? Metals have a property of combining with other metals to form alloys. An alloy may be defined as a solid which is formed by a combination of two or more met
Pennies made after 1982 are made of 97.5% zinc and 2.5% copper instead of 95% copper and 5% zinc. Pree 1982 pennies weighed 3.10g. The penny contained 2.95g of zinc and 0.15g of co
what size is an atom
Q. Illustrate Nature of light as a particle? Ans. You have seen that when excited electrons return to the ground state they release packets of energy, called photons. Photons
CONVERT 28MG/LTR SODIUM HYDROXIDE INTO MILLI EQUVALENT
4-nitrotolouene ---> LiAlH 4 converts it to 4-aminotoluene ----> Add HNO 2 and it forms -----> diazonium salt ------> add H 3 PO 2 to get Toluene -----> add Br 2 /CCl 4 - 2
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