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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 fuels originated 150-300 million years ago from animal and plant matter. c. No. The time needed to form these fuels means they are not renewable.
Q. Explain about Coordination Isomerism? Coordination Isomerism: If the complex is a salt having both cation and anion as complex ions then the ligands can exchange position
Why does calcium sulphate form scales in high pressure boilers
conductometric determination of hydrolysis constant of conjugate base of weak acid experiment?
The maximum number of electrons present in an orbit l= 3 , is: (1) 6 (2) 8 (3) 10 (4) 14 Ans: 14
Uses of oils and fats (a) Several oils and fats are used as food material. (b) Oils and fats are employed for the manufacture of glycerol, fatty acids, soaps, candles, veget
explanation of the conductometric curve plotted for AgNO3 and KCL
formation of energy bonds in solids are in accordance to? give reasons .
why zinc extracted from zinc oxide through reduction with co? Ans) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negative ΔG value then CO
Physical methods for Non-volatile substances The non-volatile organic compound's molecular mass can be ascertained by noting either the elevation in boiling point of the solve
strain theory
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