II- Here, the superlative degree should be used as it compares the house with each and every house in the street. The superlative degree of ‘prominent’ is ‘most prominent’. Our house is the most prominent one in the street; it's painted red. III- Here, ‘billiards’ is the name of a game and it is a singular noun. So, ‘billiards is’ is correct. Billiards is a game played on a rectangular table with a designated number of small balls and a long stick called a cue.
Aqua regia, which can dissolve gold, is a freshly prepared mixture of concentrated hydrochloric acid and concentrated ______.
Pentane has _____ structural isomers.
Amalgam is a mixture of
Protons were discovered by
Which material is commonly used for making casts and sculptures?
The important ore of aluminium is-
What is the chemical formula of bleaching powder?
Another name of Carborundum is
Ultra-purification of metals is achieved using:
An element has an atomic number of 17 and a mass number of 36. How many neutrons are in its nucleus?