Advertisements
Advertisements
Question
Name the technique that you use if only the solid component of a solution is required.
Solution
Evaporation.
APPEARS IN
RELATED QUESTIONS
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture
Correct the following statement:
CO and Co both represents cobalt.
Give Two Examples for Each of the Following: Non-metals
Name: a non-metal which is lustrous
Define a pure substance. How many types of pure substances do you know?
Name: A form of carbon used as a gem
Find the atomicity of the Following molecule:
Acetic Acid
Fill in the blank
A metal which is a liquid at room temperature is _______.
Fill in the blank
A diatomic gaseous element is _______.
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Draw a labelled diagram of an atom including its nucleus, orbits & their contents.
Write the names of elements from the following symbol:
Cu
Select the correct answer to the statement given below:
A metalloid
Select the correct answer from A, B, C, D & E for the statement given below :
A non-metal that is lustrous.
Classify the following as metals, non-metals and metalloids.
Sodium, Bismuth, Silver, Nitrogen, Silicon, Carbon, Chlorine, Iron, Copper
Match the following.
| Atom | Building block of matter |
| Element | Atoms of different kinds |
| Compound | Atoms of the same kind |
| Molecule | Smallest unit of a substance |
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
Match the following:
| 1. | Co2 | a. | Robert Boyle |
| 2. | Sulfur | b. | Making mobile phones |
| 3. | Element | c. | triatomic molecule |
| 4. | Gallium | d. | Polyatomic molecule |
Name the constituents of water.
