Chemistry In ice, the number of hydrogen bonds per water molecule is 4 2 8 1 4 2 8 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Alpha particles Beta particles Positron Proton Alpha particles Beta particles Positron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is used as raw material by which industry ? Gold Iron Aluminium Steel Gold Iron Aluminium Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Pure water Salt water Starch water Sweet water Pure water Salt water Starch water Sweet water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to strong F - F bond its high electro negativity availability of d-orbitals small size of fluorine atom strong F - F bond its high electro negativity availability of d-orbitals small size of fluorine atom ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium Its ability to absorb all other colours except yellow ANSWER DOWNLOAD EXAMIANS APP
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