MCQ
A gas commonly used for ripening raw fruit is:
- ✓ethyne
- Bethane
- Cmethane
- Dpropane
✓
Answer
Correct option: A.
ethyne
A
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The sodium chloride and conc. sulphuric acid mixture should not be heated beyond 200°C, because :
The catalyst used for the oxidation of $SO _2$ to $SO _3$ in contact process is
→Among the elements given below, the element with the least electronegativity is :
When green vitriol is heated in a test tube, the incorrect statement is :
Aqua regia is a mixture of
Ammonium phosphate and ammonium sulphate are made from ammonia. These compounds have greater usage in fertilisers industry. The solution of ammonia is alkaline in nature.
Which of the following could be used to show that the ammonia solution is alkaline in nature?
Which of the following could be used to show that the ammonia solution is alkaline in nature?
Assertion (A): It is recommended to add water to a given amount of acid slowly while diluting the acid.
Reason (R): Dilution of an acid is an exothermic process.
Reason (R): Dilution of an acid is an exothermic process.
An aqua regia is a mixture of HCl and $HNO _3$.
Which of the following combination represent the correct combination.
$P : 3: 1$ conc HCl : conc $HNO _3$
$Q : 1: 3$ conc $HCl :$ dil $HNO _3$
$R : 3: 1$ dil $HCl : \operatorname{dil} HNO _3$
→Which of the following combination represent the correct combination.
$P : 3: 1$ conc HCl : conc $HNO _3$
$Q : 1: 3$ conc $HCl :$ dil $HNO _3$
$R : 3: 1$ dil $HCl : \operatorname{dil} HNO _3$
Iron (III) chloride is treated with sodium hydroxide solution, the colour of precipitate formed is: