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प्रश्न
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
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उत्तर
Bases – are chemicals which are hydroxide (or oxides) of metals eg. sodium hydroxide.
संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Differentiate between:
Homogenous and heterogenous substances
Find the atomicity of the Following molecule:
Aluminium Suiphide
Indicate whether the following statement is true or false:
Elements are made up of compounds
Tick (√) the correct alternative from the choice given for the following statement.
Sulphur and carbon are
Classify substances into pure and impure substances in the form of a chart or tabulation.
Select the correct answer from the choice given below.
An impure substance
Select the correct answer from the choice in the bracket.
The positively charged particle of an atom.
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
Elements contain the ______of the same kind.
