Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 1.568 x 103 6.023 x 1019 4.84 x 1017 6.023 x 1023 1.568 x 103 6.023 x 1019 4.84 x 1017 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n3 n n2 n-2 n3 n n2 n-2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Liquid soap Dilute acid Ordinary soap Detergent Liquid soap Dilute acid Ordinary soap Detergent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Hydrogen peroxide Sodium peroxide Barium peroxide Ozone Hydrogen peroxide Sodium peroxide Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be different Must be same Need not be same Must be different Need not be different Must be same Need not be same Must be different ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Sulphur dioxide Carbon monoxide Carbon dioxide Carbon suboxide Sulphur dioxide Carbon monoxide Carbon dioxide Carbon suboxide ANSWER DOWNLOAD EXAMIANS APP
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