Chemistry Brass is made of Copper and tin Copper and zinc Copper, tin and zinc Tin and lead Copper and tin Copper and zinc Copper, tin and zinc Tin and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Isobars are lines joining places having equal Height above sea-level Population Pressure Rainfall Height above sea-level Population Pressure Rainfall ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Graphite Silicon Sodium Phosphorus Graphite Silicon Sodium Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Calcium None of these Magnesium Manganese Calcium None of these Magnesium Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Methane Butane Decane Propane Methane Butane Decane Propane ANSWER DOWNLOAD EXAMIANS APP
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