Login

Sign up

Start

PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo

Subjects
Science CBSE
Class 10
Chemical reaction and equations
Textbook questions

33. NCERT Exemplar VI

Exercise condition:

2 m.

1. Which of the following gases can be used for storage of fresh sample of an oil for a long time?

Helium or nitrogen
Carbon dioxide or oxygen
Nitrogen or oxygen
Carbon dioxide or helium
Carbon dioxide or argon

2. In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?

\(2H_2\)(g) + \(O_2\)(l) → \(2H_2O\)(l)
\(2H_2\)(l) + \(N_2\)(l) → \(2H_2O\)(l)
\(2H_2\)(l) + \(O_2\)(l) → \(2H_2O\)(g)
\(2H_2\)(g) + \(O_2\)(g) → \(2H_2O\)(g)
\(2H_2\)(g) + \(O_2\)(g) → \(2H_2O\)(l)

Login or Fast registration

Previous exercise

Exit to the topic

Next exercise

Send feedback

Did you find an error?

Send it to us!

Register for free to see more content

Register now

Register for free to see more content

Register now