Chemistry PH scale ranges from None 0 – 14 8 – 14 0 – 7 None 0 – 14 8 – 14 0 – 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Remains same Will slowly increase and then it will decrease Is increased Is decreased Remains same Will slowly increase and then it will decrease Is increased Is decreased ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High bond dissociation energy Smaller atomic radius High nuclear charge Stable half filled 2p sub level High bond dissociation energy Smaller atomic radius High nuclear charge Stable half filled 2p sub level ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LC50 ADI NOAEL LD50 LC50 ADI NOAEL LD50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Oxygen Carbon Iron Nitrogen Oxygen Carbon Iron Nitrogen ANSWER DOWNLOAD EXAMIANS APP