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
D
Q.2: Which gas is studied by J-Black.?
  1. hydrogen chloride
  2. sulpherdioxide
  3. carbondioxide
  4. carbonmonodioxide
C
Q.3: Scheele discovered -----------.?
  1. Oxygen
  2. Fluorine
  3. Iodine
  4. chlorine
D
Q.4: Who discovered the periodic arrangement of the elements?
  1. Faraday
  2. Gay Lussac
  3. Mendeleev
  4. Berzelius
C
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
D
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
C
Q.7: Greek philosopher introduced the concept of elements on earth.?
  1. Six
  2. Five
  3. Four
  4. Three
C
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
D
Q.9: Information acquired through careful observation is known as:?
  1. Prediction
  2. Theory
  3. Facts
  4. None of them
C
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
A
Q.11: Which one of these scientists suggested the symbols of elements?
  1. Wholer
  2. Faraday
  3. Dalton
  4. Berzelius
D
Q.12: Who studied the process of electrolysis in details?
  1. Gibbs
  2. Faraday
  3. Hess
  4. Boyle
B
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
D
Q.14: Madam Curie did valuable research in?
  1. None of them
  2. Evaporation
  3. Radioactivity
  4. Distillation
C
Q.15: Sulphuric acid was discovered by:?
  1. Bu Ali Sina
  2. Al-Razi
  3. Al-Beruni
  4. Jabir Bin Hayan
D
Q.16: The information obtained from observation is called?
  1. Law
  2. Fact
  3. Theory
  4. Principle
B
Q.17: A hypothesis is tested by:?
  1. experiment
  2. Comparison with other theories
  3. Comparison with scientific laws
  4. Observation
A
Q.18: Scientific method comprises ----------- steps.?
  1. Four
  2. Three
  3. Five
  4. Two
A
Q.19: Who presented the laws of electrolysis?
  1. J.Berzelius
  2. Michael Faraday
  3. Rutherford
  4. Neil Bohr
A
Q.20: Who discovered nitric acid, hydrochloric acid and sulphuric acid?
  1. Al-Haitham
  2. Al-Razi
  3. Jabir Bin Hayan
  4. Al-Beruni
C
Q.21: Man started chemical activities by looking at?
  1. Respiration
  2. Combustion
  3. Photosynthesis
  4. Condensation
B
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
A
Q.23: The compounds of what are used in toothpastes to prevent the decay of teeth?
  1. Oxides
  2. Halides
  3. Fluorides
  4. Chlorides
C
Q.24: A theory, which gives the same results after repeated experiments become a?
  1. Law
  2. Truth
  3. Fact
  4. Hypothesis
A
Q.25: Golden script writing with iron pyrites was introduced by?
  1. Ibne Sena
  2. Al-Beruni
  3. Al-Razi
  4. Jabir Bin Hayan
D
Previous Post Next Post