Question
Apex A. Their four-hour match on Centre Court was
an apex . B. Tinted photographs were an apex substitute for colour. C. The man at the apex of the Party elite yearns after the free-thinking rebels of old. Below, a word is given followed by three sentences which consist of that word. Identify the sentence/s which best expresses the meaning of the word. Choose option 5 (None of these) if the word is not suitable in any of these sentences.Solution
The word ‘apex’ means ‘the highest point or top of a shape or object’. Only C is correct. In the other two sentences, the word is used incorrectly.
The chemical name of'Common salt’
Urea is a —
The element used in the manufacture of safety matches is —
Manganite is an ore/mineral of
The acid used in lead storage cells is-
Milk tastes sour when kept in the open for sometimes due to the formation of-
The important ore of aluminium is-
The gas used for filling weather balloons is-
Which of the following is a physical change?
Which one amongst the following is not a Green House gas?