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What Happens When Calcium Reacts with Chlorine? Write an Equation for the Reaction Which Takes Place - Science

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प्रश्न

What happens when calcium reacts with chlorine? Write an equation for the reaction which takes place

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उत्तर

Calcium reacts vigorously with chlorine to form calcium chloride, which is an ionic chloride.
Ca(s) + Cl2(g) → CaCl2(s)

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पाठ 3: Metals and Non-metals - Exercise 1 [पृष्ठ १३३]

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लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 3 Metals and Non-metals
Exercise 1 | Q 44.1 | पृष्ठ १३३

संबंधित प्रश्‍न

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


Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows.

Metal Iron (II) sulphate Cooper (II) sulphate Zinc sulphate Silver nitrate
A No reaction Displacement    
B Displacement   No reaction  
C No reaction No reaction No reaction Displacement
D No reaction No reaction No reaction No reaction

Use the Table above to answer the following questions about metals A, B, C and D.

  1. Which is the most reactive metal?
  2. What would you observe if B is added to a solution of copper (II) sulphate?
  3. Arrange the metals A, B, C and D in the order of decreasing reactivity.

What would you observe when zinc is added to a solution of iron (II) sulphate? Write the chemical reaction that takes place.


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


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.


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


Write equation for the reaction of sodium with oxygen.


 What happens when magnesium reacts with very dilute nitric acid? Write an equation for the reaction involved.


Why does aluminium not react with water under ordinary conditions?


The least reactive metal among the following is:
(a) sodium
(b) silver
(c) copper
(d) lead


Zinc oxide is a metal oxide. Which of the following term best describes the nature of zinc oxide:
(a) an acidic oxide
(b) a basic oxide
(c) an amphoteric oxide
(d) a neutral oxide


State and explain the reaction, if any, of the following metals with a solution of copper sulphate:
(a) Gold
(b) Copper
(c) Zinc
(d) Mercury


In nature, metal A is found in a free state while metal B is found in the form of its compounds. Which of these two will be nearer to the top of the activity series of metals?


If A, B, C, D, E, F, G, H, I, J and K represent metals in the decreasing order of their reactivity, which one of them is most likely to occur in a free state in nature?


What is the cause of chemical bonding (or chemical combination) of atoms of elements?


Write a chemical equation to illustrate the use of aluminium for joining cracked railway lines.


Explain the following: 

Reactivity of aluminium decrease if it is dipped in nitric acid.


Write the chemical equation for the following reaction:
Cinnabar is heated in the presence of air.


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.


Tungsten wire is used in electric bulbs.


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