Chemistry Which of the following laser types is used in a laser printer? Gas laser Excimer laser Semiconductor laser Dye laser Gas laser Excimer laser Semiconductor laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless Helium pushes down on the air below the balloon Air exerts an upward force on the balloon Helium is less dense than air The balloon is weightless ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Equal to its vapour pressure Half its vapour pressure Twice its vapour pressure Not related to its vapour pressure Equal to its vapour pressure Half its vapour pressure Twice its vapour pressure Not related to its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Smelting Refining Roasting Calcination Smelting Refining Roasting Calcination ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Remains same Cannot be predicted Decreases Increases Remains same Cannot be predicted Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Malic acid Tartaric acid Acetic acid Oxalic acid Malic acid Tartaric acid Acetic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
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