Question : Match the gases in column I with their odour in column II.
| Column I | Column II | ||
| A. | CO2 | 1. | Colourless gas with the smell of rotten eggs |
| B. | H2S | 2. | A colourless, odourless gas |
| C. | SO2 | 3. | Colourless gas with a pungent smell |
Option 1: A – 1, B – 2, C – 3
Option 2: A – 2, B – 1, C – 3
Option 3: A – 2, B – 3, C – 1
Option 4: A – 3, B – 1, C – 2
Correct Answer: A – 2, B – 1, C – 3
Solution : The correct option is A – 2, B – 1, C – 3 .
Carbon dioxide (CO 2 ) is a colourless, odourless gas. Hydrogen sulphide (H 2 S) is a colourless gas with the smell of rotten eggs. Sulphur dioxide (SO 2 ) is a colourless gas with a pungent smell. CO 2 is used in carbonated beverages. H 2 S is used in the petroleum industry. SO 2 is employed in the production of sulphuric acid and as a preservative in winemaking.
Related Questions
Question : The following table shows the number of centuries scored by cricketers in the past 5 years.
| Years $→$ | 2021 | 2020 | 2019 | 2018 | 2017 |
| Cricketers$\downarrow$ | |||||
| A | 1 | 0 | 2 | 1 | 1 |
| B | 1 | 2 | 0 | 0 | 1 |
| C | 0 | 0 | 1 | 1 | 0 |
| D | 0 | 1 | 1 | 0 | 1 |
| E | 1 | 0 | 1 | 0 | 1 |
The total number of centuries scored by which two players in the mentioned years are the same?
Option 1: D and E
Option 2: D and B
Option 3: A and C
Option 4: A and E
Question : The following table represents the number of scooters sold by 5 stores A, B, C, D, and E in 4 different months January, February, March, and April in the year 2022.
| Stores | A | B | C | D | E |
| Months | |||||
| January | 212 | 168 | 173 | 182 | 190 |
| February | 312 | 250 | 212 | 175 | 182 |
| March | 280 | 275 | 265 | 255 | 245 |
| April | 270 | 280 | 290 | 305 | 275 |
Find the ratio between the total number of scooters sold by stores A and B together in January and the total number of scooters sold by stores D and E together in March.
Option 1: 20 : 23
Option 2: 18 : 23
Option 3: 17 : 25
Option 4: 19 : 25
Question : The following table gives the number of different types of batteries sold by a company over the years (numbers in hundreds).
| Type of battery | 7AH | 32AH | 35AH | 55AH |
| Year | ||||
| 2018 | 20 | 30 | 40 | 50 |
| 2019 | 40 | 35 | 45 | 45 |
| 2020 | 50 | 40 | 40 | 40 |
| 2021 | 40 | 50 | 50 | 45 |
| 2022 | 45 | 45 | 35 | 55 |
What is the difference in the number of 7AH batteries sold in 2021 and 2022?
Option 1: 200
Option 2: 700
Option 3: 300
Option 4: 500
Question : The following table shows the earnings of different firms (in INR crore) in different years.
| Year | 2012 | 2013 | 2014 | 2015 | 2016 |
| Firm | |||||
| P | 50 | 45 | 49 | 56 | 57 |
| Q | 46 | 48 | 50 | 55 | 62 |
| R | 70 | 65 | 63 | 68 | 73 |
| S | 38 | 47 | 56 | 60 | 69 |
The earnings (in INR crore) of which firm was highest in the year 2015?
Option 1: P
Option 2: S
Option 3: R
Option 4: Q
Question : The following table shows the percentage of marks obtained by five students - V, W, X, Y and Z - in five subjects.
| Subjects → | Maths | Physics | Chemistry | Botany | Hindi |
| Maximum marks → | 300 | 300 | 200 | 100 | 100 |
| Students | |||||
| V | 60 | 80 | 90 | 100 | 95 |
| W | 90 | 70 | 80 | 70 | 40 |
| X | 70 | 90 | 95 | 80 | 75 |
| Y | 80 | 60 | 70 | 95 | 80 |
| Z | 90 | 50 | 80 | 85 | 85 |
What are the average marks, in percentage, obtained by X?
Option 1: 76.5%
Option 2: 80.5%
Option 3: 82.5%
Option 4: 85.5%
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