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Solution Prop up: to give help, encouragement, or support to (someone). All the sentences I, II and III are correctly conveying the meaning of the given idiom. Hence, option E is the correct choice.
Which substance is commonly used as a glassware cleaning reagent in laboratories?
What change occurs when camphor is heated?
Calcium cyanamide, used as a fertilizer, is commercially known as ______.
Which of the following is the most reactive element in the Periodic table?
Which gas is the chief component of Bio-gas?
Which mineral is also known as 'plumbago'?
Sphalerite is an ore/mineral of -
What is the chemical name of quick lime?
Another name of Carborundum is
Which element commonly found in water is linked to cancer risks?