Chemistry In ice, the number of hydrogen bonds per water molecule is 1 8 2 4 1 8 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese None of these Calcium Magnesium Manganese None of these Calcium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A weak electrolyte A strong electrolyte Initially weak and then become a strong electrolyte A non-electrolyte A weak electrolyte A strong electrolyte Initially weak and then become a strong electrolyte A non-electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance is highly plastic ? Clay Mica Granite Quartz Clay Mica Granite Quartz ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten alumina Molten calcium silicate Molten sand Molten iron Molten alumina Molten calcium silicate Molten sand Molten iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour The low ionisation energy of sodium Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour The low ionisation energy of sodium Its ability to absorb all other colours except yellow ANSWER DOWNLOAD EXAMIANS APP