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प्रश्न
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
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उत्तर
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a suspension.
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संबंधित प्रश्न
Classify the following substances into compounds and mixtures:
Give one example for the following types of mixtures :
misicible liquids
Give Two Examples for Each of the Following: Non-metals
Indicate whether the following statement is true or false:
A compound is made up of just one kind of atom
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
Complete the statement given below by filling in the blank with the correct word.
The basic unit of an element is an __________.
Select the correct answer from the choice given below.
A group of atoms of elements
Write the names of elements from the following symbol:
Zn
Select the correct answer to the statement given below:
The chemical name for dinitrogen oxide [N20].
Select the correct answer from A, B, C, D & E for the statement given below :
A metalloid.
There are ______ number of known elements.
Give an example for the elements derived from their Latin names.
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
Give an account of elements known to us.
