MCQ Class 9 Science Chapter 2 Is Matter Around us Pure

Please refer to the MCQ Questions for Class 9 Science Chapter 2 Is Matter Around us Pure. The following Is Matter Around us Pure Class 9 Science MCQ Questions have been designed based on the latest syllabus and examination pattern for Class 9. Our experts have designed MCQ Questions for Class 9 Science with Answers for all chapters in your NCERT Class 9 Science book.

Is Matter Around us Pure Class 9 MCQ Questions with Answers

See below Is Matter Around us Pure Class 9 Science MCQ Questions, solve the questions and compare your answers with the solutions provided below.

Question. Which of the following is not an element ?     
(a) graphite
(b) germanium
(c) silica
(d) silicon

Question. Two chemical substances X and Y combine together to form a product P which contains both X and Y       
                                         X + Y → P
X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following statements concerning X, Y and P are correct ?
(i) P is a compound (ii) X and Y are compounds
(iii) X and Y are elements (iv) P has a fixed composition
(a) (i), (ii) and (iii)
(b) (i), (ii) and (iv)
(c) (ii), (iii) and (iv)
(d) (i), (iii) and (iv)

Question. Which of the following are compounds ?
(i) CO (ii) No (iii) NO (iv) Co
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (ii) and (iv)

Question. Which of the following is not a mixture ? 
(a) kerosene
(b) air
(c) alcohol
(d) petrol

Question. The element which is not common between the compounds called baking soda and soda ash is
(a) sodium
(b) hydrogen
(c) oxygen
(d) carbon

Question. Which of the following does not have a fixed melting point/boiling point ? 
(a) gold
(b) ethanol
(c) air
(d) oxygen

Question. “Is malleable and ductile” best describes :
(a) a solution
(b) a metal
(c) a compound
(d) a non-metal

Question. Which one of the following is not a metalloid ?
(a) boron
(b) silicon
(c) gallium
(d) germanium

Question. The property/properties which enable copper metal to be used for making electric wires is/are : 
(a) copper metal is malleable and ductile
(b) copper metal is a good conductor of electricity
(c) copper metal is ductile and has low electrical resistance
(d) copper metal is sonorous and an excellent conductor of electricity

Question. Which of the following statements are true for pure substances ? 
(i) pure substances contain only one kind of particles
(ii) pure substances may be compounds or mixtures
(iii) pure substances have the same composition throughout
(iv) pure substances can be exemplified by all elements other than nickel
(a) (i) and (ii)
(b) (i) and (iii)
(c) (iii) and (iv)
(d) (ii) and (iii)

Question. When a mixture of iron powder and sulphur powder is heated strongly to form iron sulphide, then heat energy is :   
(a) released
(b) first absorbed and then released
(c) absorbed
(d) neither absorbed nor released

Question. On the basis of composition of matter, milk is considered to be : 
(a) a pure substance
(b) an impure substance
(c) an element
(d) a compound

Question. The elements which normally exist in the liquid state are : 
(a) bromine and iodine
(b) mercury and chlorine
(c) iodine and mercury
(d) bromine and mercury

Question. One of the following substances is neither a good conductor of electricity nor an insulator. This substance is :     
(a) chromium
(b) germanium
(c) gallium
(d) potassium

Question. Which of the following are homogeneous in nature ?       
(i) ice (ii) wood (iii) soil (iv) air
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (iv)
(d) (iii) and (iv)

Question. State whether the following statement is true or false :
Milk is a pure substance.

Question. ‘‘The properties of the product are different from those of the constituents”. State whether this statement best describes an element, a compound or a mixture.

Question. What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?

Question. Name a liquid which can be classified as a pure substance and conducts electricity

Question. What is the general name of the materials which contain at least two pure substances and show the properties of their constituents ?

Question. Which of the following is a mixture ?
Salt, Air, Water, Alum, Sugar

Question Brass is an alloy which is considered a …………..

Question Brine is a …………..whereas alcohol is a…………… .

Question The elements which are sonorous are called……………….

Question The three important metalloids are……………, …………… and ……………………..

Question An element is made up of only one kind of ……..