General Science Glass is made of the mixture of: Salt and quartz Sand and salt Sand and silicates Quartz and mica Salt and quartz Sand and salt Sand and silicates Quartz and mica ANSWER DOWNLOAD EXAMIANS APP
General Science Deep blue colour is imparted to glass by the presence of Nickel oxide Cobalt oxide Cupric oxide Iron oxide Nickel oxide Cobalt oxide Cupric oxide Iron oxide ANSWER DOWNLOAD EXAMIANS APP
General Science Permanent hardness of water may be removed by the addition of Potassium Permanganate Lime Alum Sodium Carbonate Potassium Permanganate Lime Alum Sodium Carbonate 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 Tetraethyl lead is used as Pain Killer Fire Extinguisher Mosquito Repellent Petrol Additive Pain Killer Fire Extinguisher Mosquito Repellent Petrol Additive ANSWER DOWNLOAD EXAMIANS APP
General Science The group of metals Fe, Co, Ni may best called as Rare metals Main group metals Transition metals Alkali metals Rare metals Main group metals Transition metals Alkali metals ANSWER DOWNLOAD EXAMIANS APP
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