Together with Chemistry Class 9. We covered all the Together with Chemistry Class 9 MCQs in this post for free so that you can practice well for the exam.
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Together with Chemistry Class 9 Objective for Students
Which one of the following elements forms the maximum number of compounds?
(a) Hydrogen
(b) Carbon
(c) Nitrogen
(d) Oxygen
Option b – Carbon
Buckminster fullerene is an allotrope of
(a) Boron
(b) Iron
(c) Phosphorus
(d) Carbon
Option d – Carbon
Which one of the following is not an allotrope of carbon?
(a) Soot
(b) Graphite
(c) Diamond
(d) Carborundum
Option d – Carborundum
Diamond is a
(a) good conductor and soft
(b) non-conductor and soft
(c) non-conductor and hard
(d) good conductor and hard
Option c – non-conductor and hard
Which one of the following is not true for diamonds?
(a) Each carbon atom is linked to four other carbon atoms.
(b) Three-dimensional network structure of carbon atoms is formed.
(c) It is used as an abrasive for sharpening hard tools.
(d) It can be used as a lubricant.
Option d – It can be used as a lubricant
Which among the following is an element?
(a) Alumina
(b) Brass
(c) Graphite
(d) Silica
Option c – Graphite
Which of the following is also used as a lubricant?
(a) Cuprite
(b) Graphite
(c) Haematite
(d) Cryolite
Option b – Graphite
Graphite is used in atomic piles
(a) as a lubricant.
(b) as a fuel.
(c) as an insulator.
(d) as a moderator.
Option d – as a moderator
Water softener is
(a) borax
(b) zeolite
(c) Both (a) and (b)
(d) None of these
Option c – Both (a) and (b)
Which one of the following is used for writing on glass?
(a) Silicon
(b) Graphite
(c) Hydrogen fluoride
(d) Hydrogen iodide
Option c – Hydrogen fluoride
Which of the following statement(s) is/are correct?
(a) Oxides of non-metals are basic.
(b) Oxides of non-metals are acidic.
(c) Oxides of metals are acidic.
(d) All options are correct.
Option b – Oxides of non-metals are acidic
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