Easy
Suppose you have to determine the percentage of carbon dioxide in a sample of a gas available in a container. Which is the best absorbing material for the carbon dioxide?
- AHeated copper oxide
- BCold,solid calcium chloride
- CCold,solid calcium hydroxide
- DHeated charcoal
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Similar Questions
Iron sulphide is heated in air to form $A$,an oxide of sulphur. $A$ is dissolved in water to give an acid. The basicity of this acid is:
The density of a liquid is $1.5 \, g/mL$. There are $50 \, drops$ in $5 \, mL$. The number of molecules in $1 \, drop$ is (molecular weight of liquid is $100$).
Difficult
View Solution$50 \ mL$ of $10 \ N \ H_2SO_4$,$25 \ mL$ of $12 \ N \ HCl$,and $40 \ mL$ of $5 \ N \ HNO_3$ were mixed together,and the volume of the mixture was made $1000 \ mL$ by adding water. The normality of the resultant solution will be.....$N$.
Medium
View SolutionWhat is the actual volume occupied by water molecules present in $20 \ cm^3$ of water (in $cm^3$)?
Which of the following species has the highest mass?
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