Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d B and c A and c A and b C and d B and c A and c A and b ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition UV absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy Infrared absorption spectroscopy UV absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy Infrared absorption spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 Cu(NO3)2 CuCO3 Cu(OH)2 CuO CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the concentration of a product Adding a catalyst Increasing the concentration of a reactant Increasing the temperature Increasing the concentration of a product Adding a catalyst Increasing the concentration of a reactant Increasing the temperature ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Does not follow a definite pattern Remains unchanged Increases Decreases Does not follow a definite pattern Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Hallucinating substance Sedative Tranquillizer Mental stimulant Hallucinating substance Sedative Tranquillizer Mental stimulant ANSWER DOWNLOAD EXAMIANS APP
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