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 The hardest form of carbon is graphite diamond charcoal coke graphite diamond charcoal coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium None of these Magnesium Manganese Calcium None of these Magnesium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Carbon dioxide Argon Oxygen Nitrogen Carbon dioxide Argon Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 8 – 14 0 – 7 None 0 – 14 8 – 14 0 – 7 None 0 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Oxidation Elimination Addition Substitution Oxidation Elimination Addition Substitution ANSWER DOWNLOAD EXAMIANS APP
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