What volume of oxygen is produced from the decomposition of 2 mole of KCIO3 at…
What volume of oxygen is produced from the decomposition of 2 mole of KCIO3 at s.t.p? [Molar volume…
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Which of the following is physical change?
Which of the following is physical change? A. Burning kerosene B. Freezing ice cream C. Exposing white phosphorus…
146C → X + B X in the equation above represents
146C → X + B X in the equation above represents A.126C B.125B C.147N D.136C Correct Answer: Option…
If 0.75 mole of cyclopropane and 0.66 mole of oxygen are mixed in vessel with…
If 0.75 mole of cyclopropane and 0.66 mole of oxygen are mixed in vessel with a total pressure…
The processes which return carbon (IV) oxide to the atmosphere include
The processes which return carbon (IV) oxide to the atmosphere include A. respiration, decay and combustion B. photosynthesis,…
The postulate of Dalton’s atomic theory which still holds is that
The postulate of Dalton’s atomic theory which still holds is that A. atoms can neither be created nor…
Which of the following chloride would exhibit the least ionic character?
Which of the following chloride would exhibit the least ionic character? A. MgCl2 B. CaCl2 C. LiCl D.…
A fixed mass of gas has a volume of 92cm3 at 3 oC. When will…
A fixed mass of gas has a volume of 92cm3 at 3 oC. When will be its volume…
A rock sample was added to cold dilute HNO3. The gas evolved was passed into…
A rock sample was added to cold dilute HNO3. The gas evolved was passed into a solution of…
Which of the following statement is true of a proton?
Which of the following statement is true of a proton? A. The mass of a proton is 1840…