मराठी

Write Balanced Chemical Equation from the Following Information: an Aqueous Calcium Hydroxide Solution (Lime Water) Reacts with Carbon Dioxide Gas to Produce a Solid Calcium Carbonate Precipitate and Water. - Science

Advertisements
Advertisements

प्रश्न

Write balanced chemical equation from the following information:
An aqueous calcium hydroxide solution (lime water) reacts with carbon dioxide gas to produce a solid calcium carbonate precipitate and water.

Advertisements

उत्तर

The chemical equation for the given reaction reads as follows:
      Ca(OH)2 (aq) + CO2 (g) → CaCO3 (s) + H2(l)

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ १९]

APPEARS IN

लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 20.2 | पृष्ठ १९

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

Balance the gievn equation:

NaOH + H2SO4  Na2SO4 + H2O


What is a chemical equation? Explain with the help of an example.


With the help of an appropriate example, justify that some of the chemical reactions are determined by Change in colour 

Give chemical equation for the reaction involved in the above case. 


Write your observation and name the product when ron nails are added to an aqueous solution of copper sulphate.


While performing the experiment with raisins to determine the percentage of water absorbed by them, a student made following measurements:

Mass of water in the beaker = 40 g

Mass of raisins before soaking = 5 g

Mass of raisins after soaking for 2 hours = 8 g

Mass of water left in the beaker after the experiment = 35 g

The percentage of water absorbed by raisins is:


Balance the following equation:

NaHCO3 → Na2CO3 + H2O + CO2


What is the valency of :

carbon in CH4


Complete the following blank in the equation as indicated.

\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]

Moles: 1 mole + ______ `→` ______ + ______


\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]

0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of acid required.


Match column A with column B. 

Column A Column B
(a) Blue salt changes to white and then black (i) Ammonium dichromate
(b) Orange coloured compound changes to green. (ii) Iodine
(c) Red compound changes to brown and then yellow. (iii) Zinc Nitrate
(d) White to yellow when hot and white when cold. (iv) Copper sulphate
(e) Violet solid changes to violet vapours. (v) Red Lead

Grills of doors and windows are always painted before they are used.


Write word equation for the following molecular equation:

AgN03 + HCI → HNO3 + AgCl ↓

Word equation:

State whether AgCl is soluble or insoluble in HN03.


Name the following:

A catalyst which increases the rate of a chemical reaction.


Write word equation for the following chemical reaction given below. Also state the observation seen in the case.

\[\ce{Na2SO3 + 2HCl ->[\triangle] 2NaCl + H2O + SO2}\]


Balance the following simple equation:

Ca  +   H2O   →   Ca(OH)2   +   H2 


Write a balanced equation for the following word equation:

Aluminium + Oxygen → Aluminium oxide 


Balance the given chemical reaction as per the instructions below.

\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]

Make a list of the elements in the chemical equation.


Which of the following is not a physical change?


Which of the following are exothermic processes?

  1. Reaction of water with quick lime
  2. Dilution of an acid
  3. Evaporation of water
  4.  Sublimation of camphor (crystals)

Complete the following blank in the equation as indicated.

\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]

Molecules: 6.02 × 1023 + ______ `→` ______ + ______


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×