Chemistry The gas which turns into liquid at the lowest temperature among the following is Oxygen Nitrogen Hydrogen Helium Oxygen Nitrogen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The octane number of zero is assigned to iso-octane n-heptane 3-methyl octane 2-methyl octane iso-octane n-heptane 3-methyl octane 2-methyl octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the lightest element in the periodic table Oxygen Hydrogen Helium Carbon Oxygen Hydrogen Helium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Epsom salt is used As purgative In making tooth paste In paper industry In softening water As purgative In making tooth paste In paper industry In softening water ANSWER DOWNLOAD EXAMIANS APP
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