Advertisements
Advertisements
प्रश्न
Find the odd one out and give its explanation.
विकल्प
Sodium
Potassium
Silver
Sulphur
उत्तर
Sulphur
Explanation-
Sulphur is a nonmetal while others are metals.
APPEARS IN
संबंधित प्रश्न
One day Reeta went to a jeweller’s shop with her mother. Her mother gave an old gold jewellery to the goldsmith to polish. Next day when they brought the jewellery back, they found that there was a slight loss in its weight. Can you suggest a reason for the loss in weight?
Write a balanced chemical equation for the action of heat on aluminium hydroxide.
Name one non-metal which is stored under water.
Name two metals which are used for making jewellery and to decorate sweets.
State one use of Sulphur.
State any five physical properties of non-metals.
Name two metals whose melting points are so low that they melt when held in the hand.
Name a non-metal that is used to kill germs in water
Name a metal which is lighter than water :
Name a non-metal which is liquid form at room temperature.
Define metal and non-metal on the basis of electron loss or gain.
Name:
a metal with low melting and boiling points
`Mg +H_2SO_4 → —+ — `
Name:
the most abundant metal and the most abundant non=metal
Write scientific reason.
Copper and brass vessels are cleaned with lemon.
Give the common name and chemical name of an ore of:
(a) zinc (b) aluminium (c) iron.
State whether the statement given below is true or false. If false write the correct statement.
Lead pencils contain lead.
Tabulate the differences between metals and non-metals.
A non-metal A is an important constituent of our food and forms two oxides B and C. Oxide B is toxic whereas C causes global warming
- Identify A, B and C
- To which Group of Periodic Table does A belong?
Non – metals are ______.