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प्रश्न
Define Compounds
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उत्तर
Compounds: Compounds are pure substances composed of two or more elements in definite proportion by mass and has a definite set of properties. The compound is made up of only one kind of molecules
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संबंधित प्रश्न
Select the correct alternative from the choices given for the following statement:
A set of mixture is
State four important characteristics of compounds
Name the elements present in Ammonia
Name the elements present in Marble
Name the elements present in Washing soda
What is the proportion of element present in the following compound?
CO2
State three differences between water and air.
State the information obtained from the formula of a compound.
Explain the term compounds.
Give the example of a compound containing hydrogen and oxygen.
Select the correct answer from the choice given below.
A compound
What is the molecular formula of the following compound?
Sulphuric acid
Explain the term mixture.
Match the following.
| Iron | For making wires |
| Copper | Sewing needle |
| Tungsten | As a fuel for ignition in rocket |
| Boron | Making the filament of a bulb |
Mention any four compounds and their uses.
Write any two properties of a compound.
Complete the table
| Compound | Constituent elements |
| Sodium carbonate | Sodium, Carbon. Oxygen |
| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
Reason out
Sand is also known as silica.
A compound has a definite ______.
A compound has a fixed ______.
