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प्रश्न
______ is not made of matter.
विकल्प
Gold ring
Iron nail
Light ray
Oil drop
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उत्तर
Light ray is not made of matter.
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संबंधित प्रश्न
Fill in the blank :
The substances which can flow are called ________
Name the terms for the change of vapour into a liquid.
Name a metal which has a low melting point.
Which of the following are chemical changes and which physical ? Give reason.
- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
Define solubility of a substance. How does it vary with temperature ?
Fill in the following blanks with suitable words :
The separation of liquids by fractional distillation is based on the difference in their .....................
Describe the various steps involved in the separation of iodine, iron filings and salt from a mixture.
Intermolecular space is maximum in ______.
Define the term matter.
Write a scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
