Chemistry Iron is extracted from Bauxite Dolomite Haematite Cinnabar Bauxite Dolomite Haematite Cinnabar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural dye ? Crystal violet Alizarin Phenolphthalein Aniline blue Crystal violet Alizarin Phenolphthalein Aniline blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 21 18 13 15 21 18 13 15 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Lactic acid Acetic acid Carbonic acid Citric acid Lactic acid Acetic acid Carbonic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Urea Chlorine Ammonia Sulphur-di- oxide Urea Chlorine Ammonia Sulphur-di- oxide ANSWER DOWNLOAD EXAMIANS APP