Question
Name the gas evolved when ethanoic acid is added to
sodium carbonate?Solution
Carbon dioxide is evolved when ethanoic acid is added to sodium carbonate. The gas is invisible to the eye but can be detected by the pop sound made by the gas in a bubble solution. Hence, option B is correct.
Six persons (T, U, V, W, X, and Y) have different weights. Y is heavier than only two persons. Who is the heaviest person?
Statement I: T is h...
There are six persons F, G, H, I, J and K each having different weights. Who is the third heaviest person?
Statement I: G is heavier than F, who ...
In which date of the month is Dheeraj’s birthday?
I. Dheeraj correctly remembers that his birthday is among 22,23,24,25.
II. Dheeraj...
How is ‘ecosystem’ written in a code language?
I. In a certain language ‘boost the start-up’ is written as ‘ka pi l...
Among six persons F, G, H, I, J, and K, who is second tallest?
I. F is shorter than only two persons and I is taller than only J.
II....
What is the difference between the ages of Rekha and Beenu?
How many pages are there in the book?
I. Lesson 8 and 9 take only 20 pages and at least five lessons take 13 pages each.
II. There ar...
How is ‘since’ written in a code language?
I. In a certain language ‘least inflation higher growth’ is written as &lsquo...
Given below is a question followed by two statements numbered I and II, each containing some information. You have to decide which of the statements is/...
Five friends Harsha, Geeta, Naman, Suraj and Anuj are seated around a circular table facing the centre. Who sits to the immediate right of Suraj?