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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

.................... liberated when acetic acid reacts with sodium metal.
(a) Hydrogen
(b) Chlorine
(c) Oxygen
(d) Nitrogen


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


Name the following:
Metals which forms an amphoteric oxide.


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


A solution of _________________ in water is green in colour.

(a) CuSO4
(b) FeSO4
(c) ZnSO4
(d) Al2(SO4)3


Name the metal which has been placed at the top of the reactivity series.


Explain why, the surface of some metals acquires a dull appearance when exposed to air for a long time.


Complete and balance the following equation:

Na  +  O2 →


Complete and balance the following equation:

Na2O  +  H2O →


Name two metals which can, however, liberate hydrogen gas from very dilute nitric acid.


Why is white phosphorus kept immersed under water?


Describe the reaction of potassium with water. Write the equation of the reaction involved.


Name another metal oxide which behaves like aluminium oxide.


In a solution of lead acetate, a strip of metal M was dipped. After some time, lead from the solution was deposited on the metal strip. Which metal is more reactive, M or lead?


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


Calcium floats over water during the reaction with water. Give reason.  


Aluminium is used for making cooking utensils. Which of the following properties of aluminium are responsible for the same?

  1. Good thermal conductivity
  2. Good electrical conductivity
  3. Ductility
  4.  High melting point

The substance that will be flattened on beating with a hammer is ______.


Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?


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