Practice Test

Q1) Cellulose is made up of large number of Show Answer

Q2) Turmeric stain on white shirt is turned to red when it is washed with soap,
because the soap solution is Show Answer

Q3) Litmus available as Show Answer

Q4) The material which degraded by natural processes is called Show Answer

Q5) A material which is not easily decomposed by natural processes is called
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Q6) Biodegradable materials are Show Answer

Q7) Lime water is Show Answer

Q8) Which of the following is a natural polymer?
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Q9) Which one is a synthetic polymer?
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Q10) Bakelite is used in making electrical appliances because it is a Show Answer

Q11) Natural rubber is Show Answer

Q12) The monomer unit of polythene is Show Answer

Q13) The gas is produced with an effervescence and when this gas is allowed to pass through lime water, it becomes cloudy, it is
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Q14) Many salt absorb water from the atmosphere. This property is called Show Answer

Q15) Milk of magnesia is
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Q16) Which of the following is an example of copolymer? Show Answer

Q17) Artificial silk is Show Answer

Q18) In the preparation of soap, which is used?
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Q19) Soaps belong to which of the following organic compounds?
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Q20) Detergent has a common group Show Answer

Q21) Lauryl sulphate acts as Show Answer

Q22) Structurally a biodegradable detergent should contain a Show Answer

Q23) The antiseptic present in dettol is
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Q24) The substance which affect the central nervous system and induce sleep
are called Show Answer

Q25) Which of the following represents an analgesic?
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Q26) Which of the following is an antipyretics? Show Answer

Q27) Which of the following is a common ant acid? Show Answer

Q28) The drug used as an anti-depressant is
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Q29) Substances used for bringing down temperature in high fever are called Show Answer

Q30) The insecticide
gammexane is a formulation for Show Answer

Q31) Which of the following is an insecticide
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Q32) An oxide is acidic and has pungent odour. It could be
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Q33) 2, 4-dicholorophenoxy acetic acid is used as
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Q34) Penicillin was first discovered by
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Q35) PET bottles and jars are commonly used for storing edible items. PET is very familiar form of
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Q36) A substance which can acts both as an antisepic and disinfectant is
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Q37) The drug which is effective in curing malaria is
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Q38) When carbon dioxide is passed through clear lime water solution, it turns milky.
The milky appearance of lime water is due to Show Answer

Q39) Which one of the following man-made fibres is also called artificial silk?
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Q40) While diluting sulphuric acid, it is recommended that
the acid should be added to water because
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Q41) A man goes door to door posing as the Goldsmith. He
promises to bring back the glitter on dull gold ornaments.
An unsuspectiong woman gives a set of gold bangles to him
which he dips in a particular solution. The bangles sparkle but
their weight has considerably reduced.The solution used by the
imposer probably is

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Q42) A doctor prescribes a medicine to treat hyperacidity. The
main ingradient of the medicine is
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Q43) Percentage of Methane in CNG Gas

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Q44) Concentration of propare in LPG

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Q45) After physical exercise we sometimes get muscle cramps.
This results due to
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Q46) The crop nutrients available in fertilizers are
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Q47) Aqueous solution of which of the following oxides will
change the colour of blue litmus to red?
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Q48) The weakest interparticle forces are present in Show Answer

Q49) Given below are the steps to test the presence of proteins
in a food item. These steps are not in correct sequence.
A. Take a small quantity of food item in a test tube add
10 drops of water to it and shake it.
B. Make the paste or powder of the food to be tested.
C. Add 10 drops of caustic soda solution to the test tube and shake well.
D. Add 2drops of copper sulphate to it.
The correct sequence of these steps is
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Q50) A boy has a thick paste of turmeric.On adding this paste to
hydrochloric acid and aqueous solution of sodium hydroxide
separately , what colour (s) would he observe? Show Answer

Q51) A student puts a drop of dilute solution of Sodium hydroxide first on a blue litmus paper and then on a red litmus paper. He would observe that
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Q52) You have phenolphthalein solution in three test tubes A,B and C. On putting 2-3 drops of dilute hydrochloric acid in A, a solution of sodium hydroxide in B and distilled water in C, if you immediately observe the colour of the solution in each test tube, you will find that the solution in test tube. Show Answer

Q53) In which of the following units is the calorific value of fuels generally expressed?
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Q54) Which of the following commonly used fuels has maximum calorific value?
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Q55) Tartaric acid is found in
A. Lemons
B. Amla
C. Unripe mangoes
D. Grapes
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Q56) The common characteristic properties of plastics are
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