Question
What two acids are mixed to prepare Aqua Regia, used by
goldsmiths?Solution
Aqua Regia, a potent mixture used to dissolve gold, is composed of Nitric Acid and Hydrochloric Acid. This combination creates a highly corrosive solution capable of dissolving gold and platinum, which are otherwise resistant to most chemical attacks.
Break new ground
To feel under the weather
In each of the following questions, an idiomatic expression/proverb has been italicised– followed by four alternatives. Choose the one which best exp...
1 - Carry the can
2 - Bury the can
3 - Throw the can
4 - Dump the can
5 - None of theseCool heels
Do not run down your friends in public.
...Select the most appropriate meaning of the highlighted idiom.
It was a Catch 22 situation for the manager.
Although Nisha’s first two books were a huge success, she still shouldn’t rest on her laurels and keep going with the research.
I. Satisfied ...
Select the idiom/phrase that most accurately and contextually replaces the bolded segment.
Despite his junior position, Vikram consistently e...
After several months of hard work, the team finally brought home the bacon by completing the project ahead of schedule.Â
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