Chemistry Isobars are lines joining places having equal Population Rainfall Pressure Height above sea-level Population Rainfall Pressure Height above sea-level ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Hydrogen Methane Air Carbon monoxide Hydrogen Methane Air Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Sodium sulphate Lead Sulphate Zinc sulphate Potassium sulphate Sodium sulphate Lead Sulphate Zinc sulphate Potassium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 ANSWER DOWNLOAD EXAMIANS APP
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