Advertisements
Advertisements
प्रश्न
Honey is more viscous than water. Can you suggest why?
Advertisements
उत्तर
Honey is more viscous than water because inter-molecular force of attraction between honey particles is more than that of water molecules.
APPEARS IN
संबंधित प्रश्न
What are the two conditions for the interconversion of states of matter ?
Define the following term of Atom .
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
Which one is a kind of matter:
State two characteristics of matter demonstrated by Brownian motion.
The element which is not common between the compounds called baking soda and soda ash is
State whether colloidal solutions are homogeneous or heterogeneous.
What happens when the temperature of a saturated sugar solution is increased ?
In what respects does a true solution differ from a colloidal solution ?
Which of the following are chemical changes and which physical ? Give reason.
- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this solution is cooled to 10°C ?
One of the following represents the solution of solid in a solid. This one is :
Fill in the following blanks with suitable words :
Miscible liquids are separated by .....................
Fill in the following blanks with suitable words :
If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................
The dyes present in fountain pen ink can be separated by the technique of :
Which of the following cannot be separated from air by the process of fractional distillation ?
Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z.
- What could X be ?
- What could Y be ?
- Name the process Z.
- Which process would you use to recover both the components X and Y from tincture of iodine ?
- Which process can be used to recover only component Y from tincture of iodine ?
Select the correct answer from A, B, C, D & E for the statement given below:
An atom or group of atoms _________ having a resultant charge.
Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions
Define the term matter.
