मराठी

Out of aluminium, copper, calcium and tin, the most reactive metal is ______.

Advertisements
Advertisements

प्रश्न

Out of aluminium, copper, calcium and tin, the most reactive metal is ______.

पर्याय

  • aluminium

  • copper

  • tin

  • calcium

MCQ
रिकाम्या जागा भरा
Advertisements

उत्तर

Out of aluminium, copper, calcium and tin, the most reactive metal is calcium.

Explanation:

Calcium is the most reactive because it belongs to the alkaline earth metals group and occupies the highest position in the reactivity series among the given choices, meaning it loses electrons much more readily than aluminium, tin, and copper.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १६८]

APPEARS IN

लखमीर सिंह Chemistry [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 72. | पृष्ठ १६८

संबंधित प्रश्‍न

A solution of CuSO4 in water is .................... in colour.
(a) Pink
(b) Blue
(c) Colourless
(d) Green


Iron is
(a) More reactive than zinc
(b) More reactive than aluminium
(c) Less reactive than copper
(d) Less reactive than aluminium


Which gas is produced when dilute hydrochloric acid is added to a reactive metal? 


Show the formation of Na2O by the transfer of electrons.


Food cans are coated with tin and not with zinc because ______.


What changes in the colour of iron nails and copper sulphate solution do you observe after keeping the iron nails dipped in copper sulphate solution for about 30 minutes?


With the help of examples, describe how metal oxides differ from non-metal oxides.


Which of the following elements would yield a basic oxide?

Na, S, C, K, H


Which of the following elements would yield a neutral oxide?

Na, S, C, K, H


Explain why, metals usually do not liberate hydrogen gas with dilute nitric acid.


How do non-metals react with hydrogen? Explain with an example.


Why does aluminium not react with water under ordinary conditions?


Write the equation for the reaction of:

Zinc with dilute hydrochloric acid.

Name the products formed in the given case. Also indicate the physical states of all the substances involved.


A basic oxide will be formed by the element ______.


The metals which can produce amphoteric oxides are ______.


Metal A burns in air, on heating, to form an oxide A2O3 whereas another metal B burns in air only on strong heating to form an oxide BO. The two oxides A2O3 and BO can react with hydrochloric acid as well as sodium hydroxide solution to form the corresponding salts and water.

  1. What is the nature of oxide A2O3?
  2. What is the nature of oxide BO?
  3. Name one metal like A.
  4. Name one metal like B.

When calcium metal is added to water, the gas evolved does not catch fire but the same gas evolved on adding sodium metal to water catches fire. Why is it so?


Where does the metal aluminium, used in the thermit process, occurs in the reactivity series of metals?


Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×