Physical Science QUIZ-1. Unit Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17. Total. Teacher s Use Only. Student s Name. Max Score. Question Number.
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1 Physical Science QUIZ-1 Unit Teacher s Use Only Student s Name Date Academic Year- Term Question Number Max Score Point Scored Duration Grade minutes G Q1 Q2 Q3 Instructions Fill in your student ID in the space above. Check that you have the correct number of pages and questions Answer all the questions. Do not use pencil (except the graphs). Use black or blue ink. Write your answers in the spaces provided according to the instructions given. Write your answers clearly and neatly. Information The marks and value of individual questions are shown in round brackets next to the question. There are questions in the question paper. The total mark for the exam is... There are pages in the exam paper. You will have minutes for this exam. You need to show all the steps in your working in order to get method marks. Calculators may be used. Rules Cheating during the exam will result in an immediate reward of 0. Talking during the exam is not allowed. Sharing materials among students is not allowed. You may not ask questions during the exam. Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Total
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3 1. Which one of the following is the science that studies atoms and molecules? A) Physics B) Chemistry C) Biology D) Geology 2. Which one is not matter? A) chalk B) stone C) wood D) dream 3. Which one is an element? A) salty water B) sugar C) oxygen D) air 4. Which one is not an element? A) hydrogen B) oxygen C) iron D) water 5. H is the symbol of A) potassium B) hydrogen C) helium D) silver 6. Which one is the symbol of iron? A) I B) Fe C) K D) S 7. Which of the following elements is liquid at room temperature? A) fluorine B) nitrogen C) bromine D) iodine 8. Which one of the following elements is a metal? 9. Which of the following elements is a nonmetal? A) C B) Ag C) Na D) K 10. Which element conducts electricity? A) S B) K C) I2 D) Br Which one of the following elements does not conduct electricity? A) copper B) silver C) iron D) sulphur 12. Au is the symbol of A) gold B) silver C) iron D) copper 13. Elements are shown by symbols and compounds are shown by formulas. Which one can be shown by a symbol? A) Table salt B) Water C) Iron D) Air 14. Which ones are common for elements and compounds? I. They are pure. II. They have different kinds of atoms III. They can be separated into simpler parts by chemical methods. A) only I B) only III C) I-II D) I-III A) F B) K C) Cl D) Br 1
4 15. I. They are pure II. They have definite boiling and melting point. III. They are homogenous IV. They can be decomposed into simpler parts. Which ones of the above are false for elements, but true for compounds? A) I B) IV C) III-IV D) I-IV 16. Which ones are correct for compounds? I. They are impure II. They can be decomposed into their elements by chemical methods III. They are pure substances A) I B) II C) I-III D) II-III 17. Which one is a compound? A) air B) hydrogen C) water D) gold 18. I. They are impure II. They have the properties of their components III. There is a definite ratio between their components IV. They contain at least two types of elements Which of the given statements are the properties of compounds? 19. Which one of following is the characteristic of a compound? A) It consists of single element B) It is heterogeneous C) Its chemical composition can be changed D) It can be decomposed by a chemical change 20. Which one(s) is/are wrong for compounds? I. They are made of one kind of atoms II. They can not be decomposed into their elements III. They are pure substances A) II B) III C) I-II D) I-III 21. Which ones are correct for compounds? I. They contain different kinds of atoms. II. Elements that form compounds keep their properties. III. They can be separated into atoms by chemical methods. IV. Molecule is the smallest part of them. A) only I B) only II C) I-III-IV D) I-IV 22. I. Compound Water II. Mixture Salty water III. Element Air Which examples are given correctly? A) I B) I-II C) I-III D) II-III A) I B) II-III C) II-IV D) III-IV 2
5 23. Some examples of elements, compounds and mixtures are given below; I. Element: Copper, Iron, Hydrogen II. Compound: Water, Air, Carbon III. Mixture: Oil, Milk, Ice Which one(s) is/are CORRECT? A) Only I B) I and II C) II and III D) I and III 24. Which one(s) is/are a common property of compounds and mixtures? I. Contains more than one kind of atoms. II. Combines with certain numbers III. Only chemical changes can occur A) Only I B) Only II C) I and II D) I and III 25. Which of the following mixtures is homogeneous? A) oil + water B) chalk dust + sugar C) iron + sand D) alcohol + water 26. Which one is not a mixture? A) soil B) water vapor C) air D) milk 27.Which one of the following substances does not contain only one kind of atoms or molecules? A) Water B) Sulfur C) Iron D) Salty water 27. Which one of the following is a homogeneous mixture? A) Milk B) Paint C) Fog D) Salty water 29. A solution is an example for a (an) A) homogeneous mixture B) element C) heterogeneous mixture D) compound 30. Which one of the following is not a property of mixtures? A) They do not have formulas B) They are not pure substances C) They have the properties of matters that form themselves D) They can be separated by chemical methods 31. Which one of the following mixtures is homogeneous? A) sand + water B) chalk +water C) sugar + water D) oil + water 32. Which one can be a good example to an emulsion mixture? A) sand + water B) chalk + water C) air D) oil + water 33. Which one of the following substances forms a suspension when mixed with water? A) oil B) chalk dust C) sugar D) alcohol 3
6 34. Select all combinations which are solutions I. alcohol in water II. salt in sand III. salt in water IV. oil in water V. carbon and iron to make steel A) I-II-III B) II-III-IV C) II-IV-V D) I-III-V 35. A mixture of sand and salt can be separated on the basis of the difference in their : A) melting points B) solubility C) density D) particle size 36. Which one of the following is a physical change? A) rusting of iron B) melting of ice C) cooking of egg D) burning of coal 37. Which one (s) of following is (are) physical properties? I. sugar dissolves in water II. silver is a soft metal III. hydrogen burns when ignited IV. copper is a good conductor of electricity A) I B) III C) I-II D) I-II-IV 38. Which one of the following is a chemical change? A) freezing of water B) dissolving sugar in water C) mixing of water and alcohol D) souring of milk Which one(s) is/are example for chemical change? I. Rusting of iron II. Boiling of egg III. Burning of paper A) Only I B) Only II C) I and II D) I, II and III 40. Which one of the following is not a physical change? A) melting of iron B) dissolving salt in water C) evaporation of water D) rusting of iron 41. Which one of the following is a chemical change? A) evaporation of water B) dissolving sugar in water C) burning of coal D) sublimation of iodine 42. Which one of the following is not a characteristic property for a substance? A) Melting point B) Density C) Volume D) Boiling point 43. Which one of the following is dependent on the amount of matter? A) boiling point B) mass C) density D) expansion
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