Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Adding a catalyst Increasing the temperature Increasing the concentration of a reactant Increasing the concentration of a product Adding a catalyst Increasing the temperature Increasing the concentration of a reactant Increasing the concentration of a product ANSWER DOWNLOAD EXAMIANS APP
Chemistry Spontaneous change is one in there is: A lowering of free energy A lowering of entropy Increase in free energy An increase in Internal energy A lowering of free energy A lowering of entropy Increase in free energy An increase in Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Oxidation Elimination Addition Substitution Oxidation Elimination Addition Substitution ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K1 = K2 K1 = 2K2 K1 = K2/2 K 1 = 1 /K2 K1 = K2 K1 = 2K2 K1 = K2/2 K 1 = 1 /K2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Coke Carbon black Graphite Coal Coke Carbon black Graphite Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Methane Carbonic Acid Water Ammonia Methane Carbonic Acid Water Ammonia ANSWER DOWNLOAD EXAMIANS APP
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