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प्रश्न
The inter-molecular force is maximum in
विकल्प
solids
gases
liquids
none of the above
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उत्तर
solids
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संबंधित प्रश्न
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
Out of solids, liquids and gases, which one has :
- maximum movement of particles ?
- maximum interparticle attractions ?
- minimum spaces between particles ?
Honey is more viscous than water. Can you suggest why?
Explain why steel is used to make railway lines.
Name one solid, one liquid and one gaseous non-metal.
Fill in the following blanks with suitable words :
Brass is an alloy which is considered a ..............
Iron powder and sulphur powder were mixed together and divided into two parts A and B. When part A was heated strongly over a burner, then a substance C was formed. The part B was, however, not heated at all. When dilute hydrochloric acid was added to substance C, then gas D was evolved and when dilute hydrochloric acid was added to part B then gas E was evolved.
- What type of substance is B ?
- What type of substance is C ?
- Name the gas (i) D, and (ii) E ?
- State one characteristic property of gas D.
- Write one test to identify gas E.
Define solute.
What is a colloid ? Give two examples of colloids (or colloidal solutions)
Differentiate between a saturated and an unsaturated solution. How will you test whether a given solution is saturated or not ?
