Q79 of 102 Page 79

The element which is stored under kerosene is:

Sodium is stored in kerosene because it is highly reactive and it even reacts with moisture from air and catches fire.

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77

“Is malleable and ductile”. This best describes:

 78

The metal which will not produce hydrogen gas on reacting with dilute sulphuric acid is:

 80

Which of the following pairs cannot undergo displacement reaction?

 81

Which of the following metal exists in the liquid state at room temperature?