Advertisements
Advertisements
Question
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
Options
Chalk
Oxygen
Silicon
Bromine
Nitrous oxide
Solution
Bromine
APPEARS IN
RELATED QUESTIONS
Define mixture.
Fill in the blank
Use of a ................. to separate the components of a mixture of solids is based on the difference in the size of the components
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Name: a Non-metal Which is a Good Conductor of Electricity.
Give two examples of the following.
Metals which are soft
Define: Molecule
Name: Two substances used to make electric wires
Name A substance used as an insulator.
Give one use of the following substance:
Coal
Find the atomicity of the Following molecule:
Calcium Chloride
Write the names of elements from the following symbol:
Zn
Explain the difference between Atoms and molecules.
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
Explain the term ‘mixture’.
Water contains _____ and _____ element.
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 |
Classify the substances given in Fig. 2.2 into elements and compounds
Name the element which is used for making computer chips.
Give an account of elements known to us.
Reason out
Elements are called semimetals.