Vulcanized rubber contains sulphur
Vulcanized rubber contains sulphur
Which of the following alloy is used in making magnet ?
Which of the following alloy is used in making magnet ?
In vulcanisation process, rubber can be hardened by adding
In vulcanisation process, rubber can be hardened by adding
The substance that is added to make natural rubber strong and more bouncy is
The substance that is added to make natural rubber strong and more bouncy is
In arc welding, Argon is used because of its
In arc welding, Argon is used because of its
An inert gas mixed with oxygen given to patients suffering from restricted breat
An inert gas mixed with oxygen given to patients suffering from restricted breathing is
Which of the following elements is obtained from seaweeds ?
Which of the following elements is obtained from seaweeds ?
Inert gases are
Inert gases are
Which one of the following does not form oxyacid ?
Which one of the following does not form oxyacid ?
Which of the following is not a method of preparing oxygen?
Which of the following is not a method of preparing oxygen?
Which one of the following statements is not correct? Vulcanisation of rubber ma
Which one of the following statements is not correct? Vulcanisation of rubber makes it
The compounds formed when hydrogen combines with p-block elements are called
The compounds formed when hydrogen combines with p-block elements are called