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प्रश्न
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.
उत्तर
Tyndall effect – Scattering of light
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संबंधित प्रश्न
Give two applications of chromatography.
Name: the Hardest Naturally Occurring Substance
What is meant by 2H and H2
Give reason: Argon is filled in electric bulbs.
Indicate whether the following statement is true or false:
Ozone is a triatomic molecule
Differentiate between the terms –
elements, compounds & mixtures.
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
Classify the following as elements and compounds.
Water, Common salt, Sugar, Carbon dioxide, Iodine and Lithium
Higher Order Thinking Skills.
In the diagram given below, the circle, square and triangle represent the atoms of different elements.
Identify all combinations that represent
- molecule of a compound
- molecule of an element consisting of two atoms
- molecule of an element consisting of three atoms
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two or more coloured constituents are soluble in some solvent.
