Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Nitrogen Helium Hydrogen Methane Nitrogen Helium Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The non-metal found in the liquid state is Nitrogen Bromine Chlorine Fluorine Nitrogen Bromine Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Magnetite Siderite Limonite Haematite Magnetite Siderite Limonite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following vegetable oils is used in the manufacture of paints? Linseed oil Palm oil Sunflower oil Cottonseed oil Linseed oil Palm oil Sunflower oil Cottonseed oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless ANSWER DOWNLOAD EXAMIANS APP
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