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Which type of compounds show high melting and boiling points:
(1) Electrovalent compounds
(2) Covalent compounds
(3) Coordinate compounds
(4) All the three types of compounds have equal melting and boiling points
Ans: Electrovalent compounds
Which forms a crystal of Nacl: (1) Nacl molecules (2) Na + and cl - ions (3) Na andcl atoms (4) None of the above Ans: Na + and cl - ions
Types of interferences - Atomic absorption spectrophotometry: Three types of interferences viz., chemical, spectral and physical interferences are encountered in AAS. These re
What is linear geometry The beryllium (Be) bears two groups, and thus has linear geometry. The H-Be-H bond angle is 180°.
when will conductors conduct electricity?
In the anaerobic fermentation of grain the yeast Saccharomyces cerevisiae digests glucose from plants to create the products ethanol and propenoic acid by the following overall rea
Ethelene+diaminotetraacetate---->1,4- diaminobutane from ethylene CH 2 =CH 2 +EDTA---->NH 2 -CH 2 -CH 2 -CH 2 -CH 2 -NH 2
In chemistry, an ideal solution or ideal mixture is a solution with thermodynamic properties analogous to those of a mixture of ideal gases. The enthalpy of solution (or "enthalpy
descibe mucopolysaccharide and its biological importance
a) Give a chemical test to distinguish between aniline and N-methyl aniline. Draw the structure of XeF2 molecule. b. Write the outer electronic configuration of Cr atom (Z =
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
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