9th Chemistry Unit 1 Introduction To Chemistry MCQs Sindh Board

9th Grade Chemistry Chapter 1 Introduction To Chemistry Sindh Board MCQs Notes Online Chapter Wise Question Answers. Sindh Boards Chemistry Subject Notes For Exams Preparations Karachi, Jamshoro, Sindh Boards. Chemistry class 9 sindh board notes Unit 1 Introduction To Chemistry Most Repeated Multiple Choice Questions With Answers. Chemistry notes for class IX sindh board karachi Boards.

9th Sindh Board Notes
9th Chemistry Sindh Board MCQs Unit 1

Q.1: Which one of these was the first to use opium as anesthesia?
  1. Bu Ali Sina
  2. Al-Beruni
  3. Jabir-ibin-Haiyan
  4. Al RaAzi
Q.2: Which gas is studied by J-Black.?
  1. hydrogen chloride
  2. sulpherdioxide
  3. carbondioxide
  4. carbonmonodioxide
Q.3: Scheele discovered -----------.?
  1. Oxygen
  2. Fluorine
  3. Iodine
  4. chlorine
Q.4: Who discovered the periodic arrangement of the elements?
  1. Faraday
  2. Gay Lussac
  3. Mendeleev
  4. Berzelius
Q.5: Which of these branches of chemistry deals with the study of compounds of living organisms.?
  1. Analytical chemistry
  2. Environmental chemistry
  3. Organic chemistry
  4. Biochemistry
Q.6: The study of laws and principles governing the combination of atoms and molecules in chemical reaction is called -----------.?
  1. Inorganic chemistry
  2. Industrial chemistry
  3. Physical chemistry
  4. Analytical chemistry
Q.7: Greek philosopher introduced the concept of elements on earth.?
  1. Six
  2. Five
  3. Four
  4. Three
Q.8: Which one of these scientists is known as Father of Chemistry?
  1. Bu Ali Sina
  2. Aristotle
  3. Al-Beruni
  4. Jabir bin Haiyan
Q.9: Information acquired through careful observation is known as:?
  1. Prediction
  2. Theory
  3. Facts
  4. None of them
Q.10: A theory when repeatedly gives the same results after experimentation and offers correct explanation of the scientific facts, it then becomes?
  1. Law
  2. Principle
  3. Both a and b
  4. None of them
Q.11: Which one of these scientists suggested the symbols of elements?
  1. Wholer
  2. Faraday
  3. Dalton
  4. Berzelius
Q.12: Who studied the process of electrolysis in details?
  1. Gibbs
  2. Faraday
  3. Hess
  4. Boyle
Q.13: What work Lavoisier did?
  1. Developed the atomic theory
  2. Suggested the symbols of elements
  3. Arranged the elements in periodic table
  4. Oxygen constituted about one fifth of air
Q.14: Madam Curie did valuable research in?
  1. None of them
  2. Evaporation
  3. Radioactivity
  4. Distillation
Q.15: Sulphuric acid was discovered by:?
  1. Bu Ali Sina
  2. Al-Razi
  3. Al-Beruni
  4. Jabir Bin Hayan
Q.16: The information obtained from observation is called?
  1. Law
  2. Fact
  3. Theory
  4. Principle
Q.17: A hypothesis is tested by:?
  1. experiment
  2. Comparison with other theories
  3. Comparison with scientific laws
  4. Observation
Q.18: Scientific method comprises ----------- steps.?
  1. Four
  2. Three
  3. Five
  4. Two
Q.19: Who presented the laws of electrolysis?
  1. J.Berzelius
  2. Michael Faraday
  3. Rutherford
  4. Neil Bohr
Q.20: Who discovered nitric acid, hydrochloric acid and sulphuric acid?
  1. Al-Haitham
  2. Al-Razi
  3. Jabir Bin Hayan
  4. Al-Beruni
Q.21: Man started chemical activities by looking at?
  1. Respiration
  2. Combustion
  3. Photosynthesis
  4. Condensation
Q.22: The Muslim period extends from:?
  1. 600\-1600 A.D
  2. 200-2000 A.D
  3. 800-1300 A.D
  4. 100-1000 A.D
Q.23: The compounds of what are used in toothpastes to prevent the decay of teeth?
  1. Oxides
  2. Halides
  3. Fluorides
  4. Chlorides
Q.24: A theory, which gives the same results after repeated experiments become a?
  1. Law
  2. Truth
  3. Fact
  4. Hypothesis
Q.25: Golden script writing with iron pyrites was introduced by?
  1. Ibne Sena
  2. Al-Beruni
  3. Al-Razi
  4. Jabir Bin Hayan
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