Advertisements
Advertisements
प्रश्न
What is meant by saying that metals are sonorous ?
Advertisements
उत्तर
Metals are sonorous because they generate sound when hit.
APPEARS IN
संबंधित प्रश्न
Gases have definite volume but no definite shape.
Fill in the following blanks with suitable words :
The elements which are sonorous are called ..........................
How would you confirm that a colourless liquid given to your is pure water ?
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.
Which of the following can be called a suspension ?
One of the following represents the solution of solid in a solid. This one is :
Name the process by which the various gases of the air are separated.
What is the general name of the process by which tea-leaves are separated from prepared tea ?
Fill in the following blanks with suitable words :
The separation of liquids by fractional distillation is based on the difference in their .....................
The boiling point of liquid argon is :
The best way to recover sugar from an aqueous sugar solution is :
A solid mixture contains four constituents P, Q, R and S. P consists of tiny grains and it is mixed with
cement for plastering the walls. Q is a white solid which is recovered on a large scale from sea water by the
process of evaporation. R is in the form of tiny particles of a material whose corrosion is called rusting. And
S is a white solid which is used in making ordinary dry cells.
- What could P, Q, R and S be ?
- How would you separate a mixture containing P, Q, R and S ?
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?
A standard sheet of paper is about ______ of atoms thick
Which of the following are homogeneous in nature?
(i) ice
(ii) wood
(iii) soil
(iv) air
The movement of particles in liquids is ______.
The physical state of water at 373 K is ______.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Write a scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
