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प्रश्न
Liquids have definite volume but do not have definite shape.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Select the correct alternative
The molecules can move freely anywhere in
- gases
- liquids
- solids
- none of the above
What elements do the following compounds contain ?
Sugar, Common salt
“Is malleable and ductile” best describes :
Calculate the concentration of a solution which contains 2.5 g of salt dissolved in 50 g of water.
Fill in the following blanks with suitable words :
The separation of liquids by fractional distillation is based on the difference in their .....................
With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
In Aerosol the dispersed phase is liquid and the dispersion medium is gas.
Complete the following table:
| S.No. | CELSIUS | KELVIN |
| 1. | 90°C | 363 K |
| 2. | ______ | 283 K |
| 3. | 63 °C | ______ |
| 4. | 250°C | ______ |
| 5. | ______ | 303 K |
______ is used for industrial refrigeration and transporting frozen food.
