Chemical Process Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of Magnesium chloride Sodium chloride Sodium sulphate Calcium sulphate Magnesium chloride Sodium chloride Sodium sulphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Enamels Are same as varnish Give good glossy finish Are prepared from non-drying oil Do not contain pigment Are same as varnish Give good glossy finish Are prepared from non-drying oil Do not contain pigment ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electric bulbs are made of __________ glass. Flint Jena Crookes Pyrex Flint Jena Crookes Pyrex ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrocynic acid (HCN) is used as an insecticide for Controlling poultry lice Controlling timber degradation by ants Potato beetle Citrus fruits Controlling poultry lice Controlling timber degradation by ants Potato beetle Citrus fruits ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Glauber's salt is chemically represented by (NH₄)₂SO₄ Na₂SO₄.10H₂O CaCl(OCl) CaSO₄.H₂O (NH₄)₂SO₄ Na₂SO₄.10H₂O CaCl(OCl) CaSO₄.H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant. High silica Lead Soda lime Pyrex High silica Lead Soda lime Pyrex ANSWER DOWNLOAD EXAMIANS APP
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