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Q. Magnetic Properties of f-block element? You have learnt in the preceding unit-that paramagnetism is related with the presence of unpaired electrons in a substance. The actin
Bond formed in crystal by anion and cation is: (1) Ionic (2) Metallic (3) Covalent (4) Dipole Ans: Ionic
defination and examples
what is chemistry
Q. a. What is the origin of fossil fuels? b. List three fossil fuels. c. Are fossil fuels a renewable resource? Answer: a. Coal, natural gas and oil. b. Fossil fue
150ml of a gas at 27C is heated to 77C at constant pressure.find the new volume of the gas.
What wieght of CO is required to form re2(CO)10 from 2.5 gm of re2(O)7
Gabriel phthalimide synthesis: This method includes the subsequent three steps. 1. Phthalimide is reacted along with KOH to form potassium phthalimide. 2. The potassium salt
By the action of CO on methyl alcohol Methyl alcohol and carbon monoxide react together under a pressure of 30 atmospheres and 200°C in presence of a catalyst cobalt octacarbon
Average rate of a reaction is defined as the rate of change of concentration per unit time. It is calculated by dividing the total change in concentration of any one of the react
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