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indicate the process of heat exchange that does not depend on temperature difference between human skin and enviroment a convection b
an ionic compound is generally a 1 good electrolyte2weak electrolyte3 non-electrolyte4 neutralans good
which of the following compound has electrovalent linkage1
which one of the following compound is ionic1 kcl
what is the nature of chemical bonding between cs and f1 covalent2 ionic3 coordinate4 metallicans
a number of ionic compounds egagcl caf2 baso4 are insoluble in water this is because1 ionic compounds do not dissolve in water2 water
the phosphate of a metal has the formula mhpo4 the formula of its chloride would be1 mcl
the michelson interferometer was designed to study the nature ofa water wavesb sound wavesc an etherd sunlightansthe michelson interferometer was
molten sodium chloride conducts electricity due to the presence of1 free electrons2 free ions3 free molecules4 atoms of sodium and chlorineans
light is normally incident on a thin soap film and is reflected if the wavelength of this light is l and the index of refraction of the soap film
ionic bonds are usually formed by combination of elements with1 high ionisation potential and low electron affinity2 low ionisation potential and
two light rays will interfere constructively with maximum amplitude if the path difference between them isa one wavelengthb one-half wavelengthc
a 10 volt battery connected to a capacitor delivers a charge of 05 coulombs the capacitance of the capacitor isa 2 x 10-2 faradsb 5 x 10-2
the sulphate of a metal has the formula m2 so43 the formula for its phosphate will be1
the greatest induced emf will occur in a straight wire moving at constant speed through a uniform magnetic field when the angle between the direction
favourable conditions for electrovalency are1 low charge on ions large cation small anion2 high charge on ions small cation large anion3high charge
solid nacl is a bad conductor of electricity since1 in solid nacl there are no ions2 nacl solid is covalent3 in solid
when nacl is dissolved in water the sodium ion becomes1
the molecular formula of chloride of a metal m is mcl3 the formula of its carbonate would be1
phosphate of a metal m has the formula m3po42 the formula for its sulphate would be1 mso4
in the transition of zn atoms to znions there is a decrease in the1 number of valency electrons2 atomic weight3 atomic number4 equivalent
the phosphate of a metal has the formula mpo4 the formula of its nitrate will be1
chloride of metal is mcl2 the formula of its phosphate will be1 m2
the tendency to form electrovalent bond is largest in1
the electronic structure of four elements a b c d are1 1s2 2 1s2 2s2