Quick Quiz
Questions ▼
Class 9 Science ch2 mcq. We covered all the Class 9 Science ch2 mcq in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android App from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive mcqs appear in exams like SSC CGL, CHSL, JE, MTS, Stenographer, CPO, Railway Group-D, NTPC, ALP, JE, RPF, Tech, Bank, Delhi Police Constable, UP Lekhpal, dsssb, DDA ASO, BPSC Teaching, Defence, UPSSSC, UPSC (Pre), UPP, SI, UPTET, UPPCS, BPSC, BSSC, SBI, IBPS, LIC, State PCS, CDS, NDA, Assistant Commandant, and other Competitive Examinations, etc.
We created all the competitive exam mcqs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
mcq on General Science for Class 9 Students
Which of the following is incorrectly paired?
a) Absolute Alcohol – 100% ethanol
b) power Alcohol – 90–95% ethanol
c) Rectified spirit – 5% ethanol
d) power Alcohol and Rectified spirit
In ethyl ethanoate (CH₃COOC₂H₅), the two oxygen atoms have equal electron counts but different neutron counts. What explains this?
a) One oxygen Atom has gained electrons
b) One oxygen Atom has acquired extra neutrons
c) The oxygen atoms are isotopes
d) The oxygen atoms are isobars
Option c – The oxygen atoms are isotopes
Which of the following combinations is incorrectly matched?
a) Dry ice – Solid carbon dioxide
b) Mustard gas – Toxic liquid for chemical warfare
c) Teflon – Fluorine-containing polymer
d) Fullerene – Fluorinated Organic compound
Option d – Fullerene – Fluorinated Organic compound
Consider the following about carbon dioxide: 1. It is poisonous 2. It is an acidic oxide 3. It turns limewater milky. Which of these statements are accurate?
a) 1 and 2
b) 2 and 3
c) 3 only
d) 1 and 3
Option b – 2 and 3
What is the major component in natural gas?
a) Methane
b) Ethane
c) Propane
d) Benzene
Option a – Methane
Water gas is composed of
a) Carbon monoxide and hydrogen
b) Carbon monoxide and water
c) Carbon dioxide and hydrogen
d) Carbon dioxide and water
Option a – Carbon monoxide and hydrogen
The Bhopal gas tragedy involved the use of methyl isocyanate for producing
a) Dyes
b) Detergents
c) Explosives
d) Pesticides
Option d – Pesticides
Which one of the following statements is false?
a) Water boils when its vapor pressure equals atmospheric pressure
b) Water is known as the universal solvent
c) Permanent hardness is caused by CaCl₂, MgCl₂, CaSO₄, and MgSO₄
d) Ice is denser than liquid water
Option d – Ice is denser than liquid water
Freon, a refrigerant, belongs to which chemical class?
a) Chlorinated Hydrocarbons
b) Fluorinated Hydrocarbons
c) Chlorofluorocarbons
d) Fluorinated aromatic compounds
Option c – Chlorofluorocarbons
Which magnesium compound is used as a mordant in dyeing and tanning?
a) Magnesium oxide
b) Magnesium carbonate
c) Magnesium chloride
d) Magnesium sulphate
Option d – Magnesium sulphate
How does the viscosity of a liquid change with increasing temperature?
a) Increases
b) Decreases
c) Stays constant
d) May increase or decrease based on the liquid
Option b – Decreases
Which is not a characteristic feature of crystalline Solids?
a) Fixed and orderly arrangement of particles
b) Lack of sharp melting point
c) Bounded by well-defined surfaces
d) Consistent chemical composition
Option b – Lack of sharp melting point
Which gas is used in converting Vanaspati oil to Vanaspati ghee?
a) Hydrogen
b) Oxygen
c) Nitrogen
d) Carbon dioxide
Option a – Hydrogen
Which substance found in India can store hydrogen at low temperature and release it with engine Heat?
a) Hydrites
b) Coal
c) Soapstone
d) Resin
Option d – Resin
Which gas creates a permanent bond with hemoglobin, affecting oxygen Transport?
a) Carbon dioxide
b) Nitrogen
c) Carbon monoxide
d) Carbon dioxide mixed with helium
Option c – Carbon monoxide
The solution called hypo, used in photography, contains
a) Sodium thiosulphate
b) Sodium tetrathionate
c) Sodium sulphate
d) Ammonium persulphate
Option a – Sodium thiosulphate
Which of these chemicals functions as a sedative?
a) Potassium bromide
b) Calcium chloride
c) Ethyl Alcohol
d) Phosphorus trichloride
Option a – Potassium bromide
Indane gas used for domestic purposes is a combination of
a) Butane and hydrogen
b) Butane and oxygen
c) Butane and propane
d) Methane and oxygen
Option c – Butane and propane
Which one is not classified as an explosive compound?
a) Trinitrotoluene
b) Dinitroglycerine
c) Cyclotrimethylenetrinitramine
d) Nitrochloroform
Option d – Nitrochloroform
Which of the following statements is true?
a) Most Food preparations are colloidal
b) Water-insoluble drugs are often administered as colloids
c) Latex is a colloid with negatively charged rubber particles
d) All of the above
Option d – All of the above
We covered all the Class 9 science ch2 mcq above in this post for free so that you can practice well for the exam.
Check out the latest mcq content by visiting our mcqtube website homepage.
Also, check out:
