Chemistry Dry powder fire extinguishers contain Sand and sodium bicarbonate Sand and sodium carbonate Sand and potassium carbonate Sand Sand and sodium bicarbonate Sand and sodium carbonate Sand and potassium carbonate Sand ANSWER DOWNLOAD EXAMIANS APP
Chemistry Entropy of Universe is always Constant Decreasing Zero Increasing Constant Decreasing Zero Increasing ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Phosphorous Magnesium Sulphur Silicon Phosphorous Magnesium Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Carbon and tin Copper and iron Tin and lead Zinc and lead Carbon and tin Copper and iron Tin and lead Zinc and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is hard It is colourless Its refractive index is high It is pure It is hard It is colourless Its refractive index is high It is pure ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom its high electro negativity strong F - F bond availability of d-orbitals small size of fluorine atom its high electro negativity strong F - F bond availability of d-orbitals ANSWER DOWNLOAD EXAMIANS APP
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