Chemistry Which substance is used to retard the setting action of cement? Al2O3 CaO Na2O + K2O CaSO4, 2H2O Al2O3 CaO Na2O + K2O CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Low ionization energy Tendency to gain electrons Malleability Low electronegativity Low ionization energy Tendency to gain electrons Malleability Low electronegativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Lamp black Coke Graphite Diamond Lamp black Coke Graphite Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. was initially used for storing sodium carbonate was used initially for making bottles of soda(carbonated drink) is made using soda lime is made using soda(sodium carbonate) was initially used for storing sodium carbonate was used initially for making bottles of soda(carbonated drink) is made using soda lime is made using soda(sodium carbonate) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Table salt Sugar Potassium Iodide Iodine Table salt Sugar Potassium Iodide Iodine ANSWER DOWNLOAD EXAMIANS APP
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