General Science Permanent hardness of water can be removed by adding Washing Soda Potassium Permanganate Chlorine Bleaching Powder Washing Soda Potassium Permanganate Chlorine Bleaching Powder ANSWER DOWNLOAD EXAMIANS APP
General Science Atoms are composed of: Electrons and protons Protons only Electrons and Nuclei Electrons only Electrons and protons Protons only Electrons and Nuclei Electrons only ANSWER DOWNLOAD EXAMIANS APP
General Science Optic fibers are mainly used for which of the following? Weaving Food industry Communication Musical instruments Weaving Food industry Communication Musical instruments ANSWER DOWNLOAD EXAMIANS APP
General Science Bell metal is an alloy of Nickel and Copper Brass and Nickel Zinc and Copper Tin and Copper Nickel and Copper Brass and Nickel Zinc and Copper Tin and Copper ANSWER DOWNLOAD EXAMIANS APP
General Science Which is the absolute temperature scale? All of these Celsius Fahrenheit Kelvin All of these Celsius Fahrenheit Kelvin ANSWER DOWNLOAD EXAMIANS APP
General Science Which metal pollute the air of a big city? Cadmium Copper Chromium Lead Cadmium Copper Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
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