Teachoo MCQ Test

Case Based MCQ Quiz

Preparing for CBSE

Chapter 1 Class 10 - Chemical Reactions and Equations | 10 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 744
Question 1 of 10
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Question 1 of 10
Marble s popularity
Marble s popularity
Marble's popularity began in ancient Rome and Greece, where white and off-white marble were used to construct a variety of structures, from hand-held sculptures to massive pillars and buildings.
The substance not likely to contain \(\mathrm{CaCO}_3\) is
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Question 2 of 10
Marble s popularity
Marble s popularity
Marble's popularity began in ancient Rome and Greece, where white and off-white marble were used to construct a variety of structures, from hand-held sculptures to massive pillars and buildings.
A student added 10g of calcium carbonate in a rigid container, secured it tightly and started to heat it. After some time, an increase in pressure was observed, the pressure reading was then noted at intervals of 5 mins and plotted against time, in a graph as shown below. During which time interval did maximum decomposition took place?
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Question 3 of 10
Marble s popularity
Marble s popularity
Marble's popularity began in ancient Rome and Greece, where white and off-white marble were used to construct a variety of structures, from hand-held sculptures to massive pillars and buildings.
Gas A, obtained above is a reactant for a very important biochemical process which occurs in the presence of sunlight. Identify the name of the process -
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Question 4 of 10
Marble s popularity
Marble s popularity
Marble's popularity began in ancient Rome and Greece, where white and off-white marble were used to construct a variety of structures, from hand-held sculptures to massive pillars and buildings.
Marble statues are corroded or stained when they repeatedly come into contact with polluted rain water. Identify the main reason.
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Question 5 of 10
Marble s popularity
Marble s popularity
Marble's popularity began in ancient Rome and Greece, where white and off-white marble were used to construct a variety of structures, from hand-held sculptures to massive pillars and buildings.
Calcium oxide can be reduced to calcium, by heating with sodium metal. Which compound would act as an oxidizing agent in the above process?
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Question 6 of 10
Chemistry in Automobiles
Chemistry in Automobiles:
Foran internalcombustion enginetomoveavehicledowntheroad,itmustconvertthe energy stored in the fuel into mechanical energy to drive the wheels. In your car,the distributor and battery provide this starting energy by creating an electrical "spark", which helps in combustion of fuels like gasoline. Below is the reactiondepictingcomplete combustionof gasolineinfullsupplyof air:
\(2 \mathrm{C}_8 \mathrm{H}_{18}(\mathrm{I})+25 \mathrm{O}_2(\mathrm{~g}) \rightarrow 16 \mathrm{X}+18 \mathrm{Y}\)
Which of the following are the products obtained from the reaction mentioned in the above case?
Product 'X'Product 'Y'
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Question 7 of 10
Chemistry in Automobiles
Chemistry in Automobiles:
Foran internalcombustion enginetomoveavehicledowntheroad,itmustconvertthe energy stored in the fuel into mechanical energy to drive the wheels. In your car,the distributor and battery provide this starting energy by creating an electrical "spark", which helps in combustion of fuels like gasoline. Below is the reactiondepictingcomplete combustionof gasolineinfullsupplyof air:
\(2 \mathrm{C}_8 \mathrm{H}_{18}(\mathrm{I})+25 \mathrm{O}_2(\mathrm{~g}) \rightarrow 16 \mathrm{X}+18 \mathrm{Y}\)
2. Identify the types of chemical reaction occurring during the combustion of fuel:
Select one option. Answers are shown after the test.
Question 8 of 10
Chemistry in Automobiles
Chemistry in Automobiles:
Foran internalcombustion enginetomoveavehicledowntheroad,itmustconvertthe energy stored in the fuel into mechanical energy to drive the wheels. In your car,the distributor and battery provide this starting energy by creating an electrical "spark", which helps in combustion of fuels like gasoline. Below is the reactiondepictingcomplete combustionof gasolineinfullsupplyof air:
\(2 \mathrm{C}_8 \mathrm{H}_{18}(\mathrm{I})+25 \mathrm{O}_2(\mathrm{~g}) \rightarrow 16 \mathrm{X}+18 \mathrm{Y}\)
On the basis of evolution/absorption of energy, which of the following processes are similar to combustion of fuel?
[a] Photosynthesis in plants
[b] Respiration in the human body
[c] Decomposition of vegetable matter
[d] Decomposition of ferrous sulphate.
Select one option. Answers are shown after the test.
Question 9 of 10
Chemistry in Automobiles
Chemistry in Automobiles:
Foran internalcombustion enginetomoveavehicledowntheroad,itmustconvertthe energy stored in the fuel into mechanical energy to drive the wheels. In your car,the distributor and battery provide this starting energy by creating an electrical "spark", which helps in combustion of fuels like gasoline. Below is the reactiondepictingcomplete combustionof gasolineinfullsupplyof air:
\(2 \mathrm{C}_8 \mathrm{H}_{18}(\mathrm{I})+25 \mathrm{O}_2(\mathrm{~g}) \rightarrow 16 \mathrm{X}+18 \mathrm{Y}\)
'A student while walking on the road observed that a cloud of black smoke belched out from the exhaust stack of moving trucks on the road.' Choose the correct reason for the production of black smoke:
Select one option. Answers are shown after the test.
Question 10 of 10
Chemistry in Automobiles
Chemistry in Automobiles:
Foran internalcombustion enginetomoveavehicledowntheroad,itmustconvertthe energy stored in the fuel into mechanical energy to drive the wheels. In your car,the distributor and battery provide this starting energy by creating an electrical "spark", which helps in combustion of fuels like gasoline. Below is the reactiondepictingcomplete combustionof gasolineinfullsupplyof air:
\(2 \mathrm{C}_8 \mathrm{H}_{18}(\mathrm{I})+25 \mathrm{O}_2(\mathrm{~g}) \rightarrow 16 \mathrm{X}+18 \mathrm{Y}\)
'Although nitrogen is the most abundant gas in the atmosphere, it does not take part in combustion'. Identify the correct reason for this statement.
Select one option. Answers are shown after the test.