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प्रश्न
Which among the following ______ will get attracted to by magnet?
पर्याय
safety pins
pencil
rubber band
उत्तर
Which among the following safety pins will get attracted to by magnet?
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संबंधित प्रश्न
Fill in the blank :
The substances which can flow are called ________
Which of the following materials fall in the category of a “pure substance”?
- Ice
- Milk
- Iron
- Hydrochloric Acid
- Calcium oxide
- Mercury
- Brick
- Wood
- Air
Bromine and air take about 15 minutes to diffuse completely but bromine diffuses into a vacuum very rapidly. Why is this so?
Name a non-metal which is a good conductor of electricity.
Which of the following are not compounds ?
Chlorine gas, Potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond
What is the difference between solutions and colloids ?
Classify the following into true solutions and colloidal solutions:
Ink, Salt solution, Starch solution, Blood, Sugar solution
The solubility of ammonium chloride in water at various temperatures is given below :
| Temperature | : | 10°C | 20°C | 40°C | 60°C | 80°C |
| Solubility | : | 24 g | 37 g | 41 g | 55 g | 66 g |
What mass of ammonium chloride would be needed to make a saturated solution of ammonium chloride in fifty grams of water at 40°C ?
Pure copper sulphate can be obtained from an impure sample by the process of :
The best way to recover sugar from an aqueous sugar solution is :
