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Published in: Mathematics
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Question paper for class VI - ICSE, Chemistry and class IX , ICSE Chemistry

Suranjana M / Aurangabad

19 years of teaching experience

Qualification: M.Tech (IIT,Kharagpur - 2000)

Teaches: Science, Chemistry

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  1. Chemistry Class- VI (ICSE) 1. Tick (M) the correct answer: a. Which of the following is a calibrated glass tube which is open at both the ends and is used to transfer small amounts of liquids? Delivery tube Burette Glass jar Pipette b. Which of the following flasks is used for distillation experiments? Retort Flat bottom flask Conical flask Round bottom flask c. Chemistry is the study of composition of substances methods of preparation of substance reactions of substance all of these d.Gases have infinite free surfaces two free surfaces no free surface only one free surface e. Flat bottom flask is used for storing and mixing liquid. True False f. Antiseptics are used for inducing unconsciousness. True False g.lntermolecular spaces are minimum in case of:
  2. Chemistry Class- VI (ICSE) Plasma Solids Gases Liquids h. Glass tube made up of pyrex is called melting tube boiling tube cracking tube heating tube i.China Dish is made from glass porcelain iron non of the above j. 2. 3. - is used as coolant in Refeigerator Carbon di oxide CFC Chlorine Oxygen Answer the following questions: a. b. c. d. e. f. g. Describe a burette and give its uses. Give the importance of chemical compounds in medicine. Give the importance of chemistry in agriculture. Distinguish between solids, liquids and gases. State FOUR characteristics of Gases Why do liquids flow but solids do not? Name two medicines which fight bacterial diseases [201 [2] [2] [3] [4] [4] [4] [10] Write the Correct Statements: a. A Gas can have any number of free surfaces. b. In solids intermolecular forces are very small.
  3. c. d. e. Chemistry Class- VI (ICSE) The smallest intermolecular spaces are in case of air. Herbicides are used to kill plant insects. A conical flask is used to heat solids. 4. Match the statements in column A with column B: Column A [10] Column B 1. 2. 3. 4. 5. 5. a. b. c. d. e. i. 6. a. b. c. d. e. f. g. 7. a. b. c. d. e. Used in increasin fertilit in soil Used for transferring liquids from one vessel to other without s illin Used in sto in wasta e of food S aces in between molecules of matter A state of matter which is hi hl com ressible Complete the sentences: Chemistry is the branch of science that deals with is used to spread heat evenly, under a glass apparatus. An apparatus used to measure 2 ml of water accurately is a. b. c. d. e. funnel Gases fertilisers food reservatives Intermolecular s aces Cotton is a fibre. A chemical used to kill farm weeds, is called flask is generally used to heat liquids is used to evaporate solutions by heating. is prepared by mixing two or more molten metals in certain fixed proportions. and are used to make Diodes. Write the answers: How chemistry is useful in Electronic Industry? What are the uses of (i) Test tube (ii) Mortar and pestle (iii)Bunsen burner What is the function of wire gauze in the Chemistry Laboratory? How artificial fertilizers are helpful to human being? Name two medicines, which fight bacterial diseases. Name two man made products used for making dresses Write full name of (i) LPG (ii) CFC [15] [2] [3] [2] [2] [2] [2] [2] Write the correct statements: ( write full sentences) Nylon is a natural fibre Excessive use of fertilizers is good for soil. Pesticides are used to kill farm herbs Paints protect corrosion A capacitor is used to make electric circuits in calculators and cell phones.
  4. f. g. h. i. j. 8. (i) (ii) (iii) (iv) (v) 9. a. b. c. d. e. Chemistry Class- VI (ICSE) Carbon di oxide gas is used as coolant in refrigerator China dish is made up of glass Diodes are used in fuels Coal is found in underground reservoirs. Pyrex glass or borosil glass develops crack very easily. Draw the following: (Draw and write their names) Test tube Funnel Pipette Measuring Cylinder Tripod stand Find the odd one out and give reasons for your answer Nylon, terylene, silk and rayon Petrol, coal, diesel and kerosene oil Pesticide, insecticide, potato plant, fertilizer Conical flask, round botton flask, measuring cylinder, flat bottom flask Penicillin, tetracyclin, ampicillin, germanium 10.. Name the following. [5] 1. Name of an element that show the property of both metals and non-metals. 2. Name the apparatus used for evaporating chemical solution by heating. 3. Name the process which is involved in the conversion of liquid into gas? 4. Name the innermost layer of the earth. 5. Name the product which is extracted from galena. 11. State whether the following statements are true or false. If false, rewrite the statement. 1. The first letter of the chemical symbol in chemistry should always be in upper case. ( ) 2. [5] Condensation is the method used to obtain the purest form of water. ( ) 3. Chemistry is a branch of science which deals with the study of human body. ( ) 4. Organic chemistry is the study of carbon compounds. ( ) 5. Metallic elements are ductile. ( ) 12. Give functions of the following terms. Electrolysis. 2. Handpicking. 13. Fill in the blanks. [5] 1. is an example of extrusive igneous rock. 2. An atom consists of . 3. Quartz is made up of and discovered the modern periodic table. 5. is the percentage of and nitrogen in air.
  5. Chemistry Class- VI (ICSE) 14. Draw a neat labeled diagram for the following questions. 1. Intermolecular forces of attraction in liquid. 2. Water Cycle. 15. Multiple choice questions. 1. Which of the following gas is taken in during photosynthesis? a) Oxygen b) Carbon dioxide c) Sulphur dioxide d) Nitrogen dioxide. [5] [5] 2. is the representation of a substance by means of symbols. a) Chemical formula. b) Chemical structure. c) Chemical equation. d) Chemical reaction. 3. The maximum number of electrons accommodated in S shell is a) 2. b) 8. c) 18. d) 32. 4. The process of conversion of gas into liquid is called a) Melting b) Vapourisation c) Condensation d) Freezing. 5. smallest particle of an element. a) Atom. b) Nucleus. c) Molecules d) Electron.

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