Question

puuu 01 118ML 11 all,
J
TU TRIS)
3. Answer Q. Nos. 3(a)-3(d) on the basis of your understanding of the following paragraph and the
related studied concepts.
A metal carbonate X on heating with an acid gives a gas which when passed through a solution y gives
the carbonate back. On the other hand, a gas G that is obtained at anode during electrolysis of brine is
passed on dry Y, it gives a compound Z, used for disinfecting drinking water.
3. (a) Identify X, Y, G and Z.
3. (b) What is the nature of the gas evolved when X is heated?
3.(c) Write the reaction involved in the formation of G.
3. (d) Write the reaction involved when G reacts with Y.
4. For Q-Nos. 4(1)-4(iv) are based on the information given below. Study these information related to
answer the questions that follow
In thermal power plants, fossil fuels are brunt to produce heat which in turn converted into electrical
energy. But the power plants which convert the kinetic energy of flowing water into electricity are called
hydro power plants.
4.(a) Write one advantage of hydroelectricity
4.(b) The source of fuel in thermal power plant is
(a) Petroleum
(b) CNG
(c) Coal
(d) LPG
4.(c) Write one disadvantage of producing electricity by flowing water.
Page 1​

Answer 1

Answer:

4b is coal

Advantages of Hydropower:

Hydropower is fueled by water, so it's a clean fuel source, meaning it won't pollute the air like power plants that burn fossil fuels, such as coal or natural gas.

Search Results

Featured snippet from the web

Disadvantages of Hydroelectric Energy

Environmental Consequences. The environmental consequences of hydropower are related to interventions in nature due to damming of water, changed water flow and the construction of roads and power lines. ...

Expensive. ...

Droughts. ...

Limited Reservoirs