Question
When kept in air for some time, a layer of green colored
basic carbonate forms on the metal, that metal is ___________________ .Solution
Copper metal when exposed to air turns green in colour due to corrosion. When a copper vessel is exposed to air in the rainy season, the metal reacts with gases, moisture and atmospheric gases to form a mixture of copper carbonate and copper hydroxide. This gives a green colour to the surface of copper metal.
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is /are definitely true and t...
Three of the following four letter-clusters are alike in a certain way and one is different. Pick the odd one out.
Select the option in which the numbers are related in the same way as are the numbers of the following sets.
(52, 13, 8)
(96, 16, 12) �...
One day, Anamika leaves her office and walks 30m towards east. She then turned right and walks 30m, and then she again turned right and walks 15m. From ...
If a meaningful four-letter English word is formed by using the 2nd, 5th, 6th and 10th letter (from the left end) of the word ‘COMPONENTS’ then whic...
Which of the following numbers will replace the question mark (?) in the given series?
102, 100, ?, 96, 112
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is relat...
Select the correct mirror image of the given figure when the mirror is placed to the right side of the f igure at ‘XY ’.
Which of the following numbers will replace the question mark (?) in the given series?
53, 62, 57, ?, 61, 70, 65
Who is spouse of Z?
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