Chemistry What is the covalency of nitrogen in ammonia molecule 5 4 2 3 5 4 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 120 gms 12 gms 0.12 gms 1.2 gms 120 gms 12 gms 0.12 gms 1.2 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsifier is an agent which Accelerates the dispersion Homogenises an emulsion Stabilises an emulsion Aids the flocculation of an emulsion Accelerates the dispersion Homogenises an emulsion Stabilises an emulsion Aids the flocculation of an emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Dehydration Hydration and dissociation of water Polymerisation Dissociation of water Dehydration Hydration and dissociation of water Polymerisation Dissociation of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Generator Uninterrupted power supply (UPS) Power transmittor Battery Generator Uninterrupted power supply (UPS) Power transmittor Battery ANSWER DOWNLOAD EXAMIANS APP
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