Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O2 and N2 Oxides of N and S O3 and N2 O2 and O3 O2 and N2 Oxides of N and S O3 and N2 O2 and O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of ‘Common salt’ is Ammonium chloride Sodium chloride Sodium nitrate Calcium chloride Ammonium chloride Sodium chloride Sodium nitrate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Man dies in the atmosphere of CO, because it Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Reduces the organic matter of tissues Dries up the blood Combines with O2 present in the body Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2 Reduces the organic matter of tissues Dries up the blood Combines with O2 present in the body ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Trimethyl lead Tetramethyl lead Triethyl lead Tetraethyl lead Trimethyl lead Tetramethyl lead Triethyl lead Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 5 3 2 4 5 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
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