Advertisements
Advertisements
Question
Name a metal which has no fixed shape.
Advertisements
Solution
Mercury has no fixed shape.
APPEARS IN
RELATED QUESTIONS
Fill in the blank
All matter is made up of tiny particles called ______
What are the conditions for 'something' to be called 'matter'?
Name one element, one compound and one mixture.
Give reason why graphite is used for making elecrode in a dry cell.
Which of the following are not compounds ?
Chlorine gas, Potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond
In the following set of substances, one item does not belong to the set. Select this item and explain why it does not belong to the set :
Hydrogen, Oxygen, Steam, Chlorine
Choose the correct answer.
A 15% alcohol solution means :
Classify the following into solutions, suspensions and colloids :
Soda-water, Milk, Brine, Blood, Ink, Smoke in air, Chalk water mixture, Milk of Magnesia, Shaving cream, Muddy river water.
Define solubility of a substance. How does it vary with temperature ?
What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?
Name the process by which common salt is purified.
Describe a method to separate a mixture of common salt and sand.
How is the impurity of iron present in several substances removed in industries ?
How will you separate a mixture of iron filings, chalk powder and common salt ?
What is fractional distillation ? What is the use of fractionating column in fractional distillation ?
The given mixture contains three constituents A, B and C. The constituent A is a yellow coloured, solid element which dissolves in a liquid D. The constituent B is a blue coloured salt which is insoluble in liquid D but dissolves easily in another liquid E. The constitudent C is a liquid which is used in cooking food and forms a solid fat on hydrogenation.
(a) What do you think could (i) constituent A, and (ii) liquid D be ?
(b) What could (i) constituent B, and (ii) liquid E be ?
(c) What could liquid C be ?
(d) How will you separate the mixture containing A, B and C ?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
From what substance has the potter made all the things?
Define the term matter.
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
