Advertisements
Advertisements
Question
Select the correct answer from the choice given below.
An impure substance
Options
element
mixture
compound
Advertisements
Solution
mixture
RELATED QUESTIONS
Name the substance you will add to speed up sedimentation.
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
Complete the statement given below by filling in the blank with the correct word.
An element is a pure substance which cannot be broken down by physical or _________ methods.
Select the correct answer from the choice given below.
The element which is malleable
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
______ is the life-giving element is the air.
Name the element which is used for making computer chips.
Complete the table:
| Element | Latin Name | Symbol |
| Mercury | ______ | Hg |
| Lead | Plumbum | ______ |
| Iron | ______ | Fe |
| Potassium | Kalium | ______ |
