What volume of gas is evolved at S.t.p if 2g of calcium trioxocarbonate (IV) is…
What volume of gas is evolved at S.t.p if 2g of calcium trioxocarbonate (IV) is added to a…
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When a solid substance disappears completely as a gas on heating, the substance is said…
When a solid substance disappears completely as a gas on heating, the substance is said to have undergone…
A chemical reaction is always associated with
A chemical reaction is always associated with A. an increase in the composition of one of the substance…
The process by which atoms are rearranged into different molecular structure in the petroleum refining…
The process by which atoms are rearranged into different molecular structure in the petroleum refining process is referred…
Which of the following is found in cotton
Which of the following is found in cotton A. Starch B. Cellulose C. Fat D. Oil Correct Answer:…
The principal constituent of natural gas is
The principal constituent of natural gas is A. methane B. ethane C. propane D. butane Correct Answer: Option…
The type of reaction that is peculiar to benzene is
The type of reaction that is peculiar to benzene is A. addition B. hydrolysis C. polymerization D. substitution…
A compound contains 40.0% carbon 6.7% hydrogen and 53.3% oxygen. If the molar mass of…
A compound contains 40.0% carbon 6.7% hydrogen and 53.3% oxygen. If the molar mass of the compound is…
The leachate of a certain plant ash is used in local soap making because it…
The leachate of a certain plant ash is used in local soap making because it contains A. sodium…
The formula for ethyl butanoate is
The formula for ethyl butanoate is A. C3H7COOC2H5 B. C2H5COOC3H7 C. C4H9COOC2H5 D. C2H5COOC4H9 Correct Answer: Option A…