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Which of the following compounds are covalent:
(1) H2
(2) CaO
(3) KCL
(4) Na2S
Ans: H2
Q. What is structural formula and how to write it? Ans. To represent an organic molecule, a structural formula is often used. As a structural formula shows how the atoms i
1.why hardness Bore water less than sea water?
Which of the following is least soluble: (1) BeF 2 (2) NaBr (3) CaF 2 (4
Atomic fluorescence spectrometry: In atomic fluorescence spectrometry, the gaseous atoms acquired through flame or electrothermal atomisation are excited to higher energy leve
The minimum amount of energy needed for the reaction to takes place is known as threshold energy.
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A substance that has a molecular structure built up chiefly or completely from a large number of similar units bonded together.
Q. At 298.15K, the partial molar volume of CO 2 (aq) is 33cm 3 mol -1 . Estimate the percent change in the value of the Henry's law constant kH,B for aqueous CO 2 at 298.15K when
2+2
How to know degree of superheat from psychometric chart?
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