Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission Carbondioxide emission CFC emission Deforstation Methane emission Carbondioxide emission CFC emission Deforstation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher B, c A, c A, b D, a B, c A, c A, b D, a ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Copper Nichrome Silver Iron Copper Nichrome Silver Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Peat Lignite Bituminous Anthracite Peat Lignite Bituminous Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tetra ethyle lead (TEL) is A reductant A catalyst in burning fossil fuel An antioxidant An antiknock compound A reductant A catalyst in burning fossil fuel An antioxidant An antiknock compound ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water May either increase or decrease depending on the process used Increases Decreases Does not change May either increase or decrease depending on the process used Increases Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP