Chemistry The most abundant rare gas in the atmosphere is Ar He Ne Xe Ar He Ne Xe ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Steel Stainless steel Wrought iron Pig iron Steel Stainless steel Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called ADI LC50 LD50 NOAEL ADI LC50 LD50 NOAEL ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Ethane Methane Carbon monoxide Carbon di-oxide Ethane Methane Carbon monoxide Carbon di-oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Calcium Silicate Calcium Sulphate Sodium Silicate Sodium Sulphate Calcium Silicate Calcium Sulphate Sodium Silicate Sodium Sulphate ANSWER DOWNLOAD EXAMIANS APP
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