Chemistry Which one of the following minerals is found in Monazite sand ? Uranium Potassium Sodium Thorium Uranium Potassium Sodium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air Its atomic number is 2 It is a noble gas It is one of the constitutents of water It is lighter than air Its atomic number is 2 It is a noble gas It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Aluminium oxide Zinc oxide Magnesium oxide Calcium oxide Aluminium oxide Zinc oxide Magnesium oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Peat Anthracite Lignite Bituminous Peat Anthracite Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2SO4.10H2O Ca(OH)2 NaHCO3 Na2CO3.10H2O Na2SO4.10H2O Ca(OH)2 NaHCO3 Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Decomposition Oxidation Dehydration Reduction Decomposition Oxidation Dehydration Reduction ANSWER DOWNLOAD EXAMIANS APP
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