मराठी

Arrange the Following Metals in Order of Their Chemical Reactivity, Placing the Most Reactive Metal First: Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium.

Advertisements
Advertisements

प्रश्न

Arrange the following metals in order of their chemical reactivity, placing the most reactive metal first:
Magnesium, Copper, Iron, Sodium, Zinc, Lead, Calcium.

Advertisements

उत्तर

Sodium > Calcium > Magnesium > Zinc > Iron > Lead > Copper

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३३]

APPEARS IN

लखमीर सिंह Chemistry [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 45.1 | पृष्ठ १३३

संबंधित प्रश्‍न

‘E’ is an element which reacts with oxygen to form an oxide E2O. An aqueous solution of E2O turns red litmus blue, so:
i. What is the nature of oxide E2O ?
ii. Write the name of element ‘E’.


You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice. Explain why these sour substances are effective in cleaning the vessels.


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?


Name the metal which has been placed just below copper in the reactivity series.


Which of the two metals is more reactive: copper or silver?


Fill in the following blank with suitable word:

Calcium is a ................. reactive metal than sodium.


Which of the following elements would yield an acidic oxide.

Na, S, C, K, H


What type of oxides are formed when non-metals react with oxygen? Explain with an example.


Can we keep sodium immersed under water? Why?


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


Give one example, with equation, of the displacement of hydrogen by a metal from an acid.


What is the action of water on aluminium ? Write equation of the chemical reaction involved.


What is meant by the reactivity series of metals? Arrange the following metals in an increasing order of their reactivities towards water:
Zinc, Iron, Magnesium, Sodium


Which non-metal has been placed in the reactivity series of metals?


One of the following is not a neutral oxide. This is:
(a) CO
(b) H2O
(c) N2O
(d) Na2O


An element E reacts with water to form a solution which turns phenolphthalein solution pink. The element E is most likely to be:
(a) S
(b) Ca
(c) C
(d) Ag


Write the name and formula of a molecule made up of three atoms of oxygen.


Rewrite the following statement by selecting the correct option.
A solution of Al2(SO4)3 in water is _____________.


An element X is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in the air. It reacts vigorously with water. Identify the element from the following.


An alkali metal A gives a compound B (molecular mass = 40) on reacting with water. The compound B gives a soluble compound C on treatment with aluminium oxide. Identify A, B and C and give the reaction involved.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×