Advertisements
Advertisements
Question
Name the process by which all the dye can be recovered from black ink.
Solution
The process of evaporation can be used to recover all the dye from black ink.
APPEARS IN
RELATED QUESTIONS
Match the following
Column A | Column B | ||
(a) | Molecules | (i) | Water boils |
(b) | 100° C | (ii) | Evaporation |
(c) | 0° C | (iii) | Changes from solid to gas |
(d) | At all temperatures | (iv) | Matter |
(e) | Camphor | (v) | Water freezes |
Define the following term of Matter .
Fill in the following blank with suitable words :
The best evidence that the particles of matter are constantly moving comes from the studies of ................. and ...................
Describe in your own words, what happens to the particles when salt dissolves in water.
Explain why air is used to inflate tyres.
Fill in the following blanks with suitable words :
An element is made up of only one kind of ........
Classify the following into elements and compounds :
- H2O
- He
- Cl2
- CO
- Co
Name a metal which forms amalgams.
The element which is not common between the compounds called baking soda and soda ash is
The property/properties which enable copper metal to be used for making electric wires is/are :
On the basis of composition of matter, milk is considered to be :
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
How much water should be mixed with 12 mL of alcohol so as to obtain 12 % alcohol solution ?
One of the following does not show Tyndall effect. This one is :
Milk of Magnesia is :
Tincture of iodine has antiseptic properties. This solution is made by dissolving :
How would you separate iodine from a mixture of iodine and common salt ?
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?
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 |
Define the term matter.