Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
Solutions – Brine
Suspensions – Chalk water mixture, milk of magnesia, Muddy river water
Colloids – Milk, blood, ink, shaving cream, smoke in air, soda water
APPEARS IN
संबंधित प्रश्न
What are the conditions for 'something' to be called 'matter'?
Define matter. Give four examples of matter.
One of the following substances is neither a good conductor of electricity nor an insulator. This substance is :
Which one of the following is not a metalloid ?
Which of the following is a sol ?
Shaving cream, Milk, Fog, Soap solution, Hairspray
Write a method to separate a mixture of sand and potash alum.
Which method is better for recovering sugar from sugar solution : evaporation or crystallisation ? Give reason
for your answer.
Explain how, nitrogen , oxygen and argon gases are separated from air.
The liquid air has three components X, Y and Z whose boiling points are : –186°C, –183°C and –196°C,
respectively. When liquid air is fed into a tall fractional distillation column from near its bottom and warmed
up slowly :
(a) Which component will be collected from near the bottom of the fraction distillation column ? Why ?
(b) Which component will be collected from the top part of the fractional distillation column ? Why ?
(c) Which component will be collected from the middle part of the fractional distillation column ? Why ?
(d) What could the component X, Y and Z be ?
Name one pair of liquids which can be separated by using a separating funnel.
What difference in the properties of common salt and sand would enable you to separate a mixture of these two substances ?
What type of matter glass is?
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
You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?
Atoms or groups of atoms having a charge are called ______.
Complete the following table:
| S.No. | CELSIUS | KELVIN |
| 1. | 90°C | 363 K |
| 2. | ______ | 283 K |
| 3. | 63 °C | ______ |
| 4. | 250°C | ______ |
| 5. | ______ | 303 K |
Solid is an arrangement of particles ______.
Gases change to liquid by the process of ______.
Define the term matter.
Define the term matter.
