MEDIUM
Earn 100
Define pressure exerted by gases.
Important Questions on Matter in our Surroundings
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I. The state consists of super energetic and super excited particles.
II. The particles of plasma state are in the form of ionised gases.
III. The plasma is created on stars.
IV. Colour of plasma glow depends on temperature of gas only.
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Fountain ink pen leaks at higher altitudes. It is due to:
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Match column I with column II and select the correct option from the codes given below.
| Column I | Column II | ||
| (P) | Liquid | (i) | Highly compressible |
| (Q) | Gas | (ii) | Definite volume |
| (R) | Plasma | (iii) | Super low density |
| (S) | Bose-Einstein condensate | (iv) | Super energetic |
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I.It is a mixture of free electrons and ions
II. It contains only electrons
III. It can also be artificial
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