Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Alum Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Atomic theory' of matter was given by Newton Dalton Avogadro Pascal Newton Dalton Avogadro Pascal ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Does not follow a definite pattern Increases Remains unchanged Decreases Does not follow a definite pattern Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Fungus which is used in the alcohol industry is Mushroom Candida Aibicans Rhizopus Yeast Mushroom Candida Aibicans Rhizopus Yeast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following molecules has a bond order of 2.5 HCL F2 CO NO HCL F2 CO NO ANSWER DOWNLOAD EXAMIANS APP
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