Chemical Process Magnesium and calcium __________ cause temporary hardness of water. Sulphates Bicarbonates Phosphates Carbonates Sulphates Bicarbonates Phosphates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Systemic insecticides Are stomach poisons Emit poisonous vapour Are absorbed throughout the plant Kill insects following external bodily contact Are stomach poisons Emit poisonous vapour Are absorbed throughout the plant Kill insects following external bodily contact ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Finely ground calcium aluminate & silicate is a/an Explosive Abrasive Cermet Cement Explosive Abrasive Cermet Cement ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Blue colour is imparted to glass by the addition of NaOH CaO FeSO₄ PbO NaOH CaO FeSO₄ PbO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituent of limestone is CaSO₄ CaCO₃ Na₂CO₃ MgCO₃ CaSO₄ CaCO₃ Na₂CO₃ MgCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following contains least amount of N₂? Water gas (blue gas) Blast furnace ga Producer gas Coke oven gas Water gas (blue gas) Blast furnace ga Producer gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
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