Oxide of which of the following will turn red litmus blue?
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In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.Herculean task
Chemical composition of cement is
Which of the following equations has real and distinct roots?
Cinnabar is an ore/mineral of
R borrowed Rs. 1,200 at 13% per annum simple interest. What amount will R pay to clear the debt after 5 years?
In which language, Lok Sabha debates are printed?
Which of the following constitutes highest percentage of Green House gases?