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प्रश्न
Asmita went to buy an earthen pot. There she saw many things kept for sale.
From what substance has the potter made all the things?
उत्तर
Potter makes all the things from soil or mud.
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संबंधित प्रश्न
What are (i) metals (ii) non-metals, and (iii) metalloids ? Give two examples each of metals, non-metals and metalloids.
There are three substances X, Y and Z. The substance X does not have a fixed melting point or boiling point and it still shows the individual properties of its constituents. The substance Y is a pure substance which occurs in nature as such. The substance Y has a fixed melting point and boiling point but it cannot be broken down into simpler substances by any chemical means. The substance Z is also a pure substance whose properties are entirely different from those of its constituents. The substance Z can, however, be divided by electrolysis into two substances which belong to the same class of substances as Y.
- What type of substance could X be ? Name one substance like X.
- What type of substance could Y be ? Name one substance like Y.
- What type of substance could Z be ? Name one substance like Z.
- Which process involves absorption or release of an appreciable amount of energy : formation of substance X or formation of substance Z ?
- Name the three groups into which all the substances like Y are divided on the basis of their properties.
What is a suspension ? Give two examples of suspensions.
State whether the following statement are true or false :
Alcohol can be separated from a mixture of alcohol and water by a separating funnel.
How will you separate a mixture of iron filings, chalk powder and common salt ?
Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.
Define the term matter.
State whether true or false. If false, correct the statement.
Oil and water are immiscible with each other.
The movement of particles in liquids is ______.
______ is used for industrial refrigeration and transporting frozen food.
