Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol react chemically Water and petrol are miscible with each other The flame is too hot for water to cool it down ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Stabilise the colloid and prevent crystallisation Stabilise mixture Prevent making a colloid Enrich the aroma Stabilise the colloid and prevent crystallisation Stabilise mixture Prevent making a colloid Enrich the aroma ANSWER DOWNLOAD EXAMIANS APP
Chemistry Element 106 was discovered by Kurchatove Lawrence Rutherford Seaborg Kurchatove Lawrence Rutherford Seaborg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Gold Platinum Mercury Iron Gold Platinum Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry In ice, the number of hydrogen bonds per water molecule is 2 1 4 8 2 1 4 8 ANSWER DOWNLOAD EXAMIANS APP
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