Advertisements
Advertisements
प्रश्न
Name: an Inert Gas
Advertisements
उत्तर
Neon, helium
APPEARS IN
संबंधित प्रश्न
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture
Match the columns.
| column A | column B |
|
1. to separate grain from chaff |
a. filtration |
| 2. to saparate sawdust from water | b. sedimentation and deeantation |
| 3. to separate iodine from sodium chloride | c. winnowing |
| 4. to separate iron fillings from sand | d.sublimation |
|
5. it is used to separate sand and water |
e maganetic separation |
|
|
f .handpicking |
Name the technique that you use if only the solid component of a solution is required.
Define the term: Element
Name: a Metal Which is brittle
Classify the following substances into elements and compounds
Mercury, sulphur, sugar, water, sand, gold, carbon, oxygen, alcohol, iron, marble, baking soda.
Name: Three different forms of carbon
Complete the statement with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.
State five different characteristics of compounds.
Matter is its simplest form is called ______.
