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Uses of Resorcinol (a) Resorcinol is used as antiseptic and for creating dyes. (b) Resorcinol is also used in the medicine of eczema. 2, 4, 6-trinitroresorcinol is required
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
1. A 50.0-L reaction vessel contains 1.00 mol N2, 3.00 mol H 2 , and 0.500 mol NH 3 . Will more ammonia, NH 3 , be formed or will it dissociate when the mixture goes to equilibrium
Which one of the following is not the characteristic of Planck's quantum theory of radiation: (1)The energy is not absorbed or emitted in whole number or multiple of quantum
chemical properties of iodoform
Which of the following is not true in Rutherford's nuclear model of atom: (1) Protons and neutrons are present inside nucleus (2) Volume of nucleus is very small as compared
What metals combine with non-metals, the metal atom tends to: (1) Lose electrons (2) Gain electrons (3) Remain electrically neutral (4)
Uses of Oxalic acid or Polyprotic acid (i) Oxalic acid is used in the manufacture of carbon monoxide, formic acid and allyl alcohol. (b) Oxalic acid is used as a laboratory
mixture of sulphur carbon and kmno4 is named what
Chemotherapy - chemistry in action The phrase chemotherapy that literally means chemical therapy or chemical treatment was coined in the year 1913 by Paul Ehrlich, the father o
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