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IGCSE A Level Chemistry Practice Test 13

Buffer Solutions Quiz Questions and Answers PDF - 13

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Buffer Solutions Quiz Answers PDF Download: Test 13

MCQ 61: The buffers present in the blood contain

A) HCO3-
B) hemoglobin
C) H2PO4-
D) all of above

MCQ 62: Enzymes are large molecules, generally made up of

A) carbohydrates (CxH2nOn)
B) proteins
C) vitamins
D) lipids

MCQ 63: The atomic number is the number of

A) protons (p+)
B) electrons (e-)
C) neutrons (n0)
D) nucleons (p+ and n0)

MCQ 64: The electronegativity of Oxygen is

A) 2.55
B) 2.2
C) 3.44
D) 3.04

MCQ 65: The number of bonding pairs of electrons in water H2O is

A) 1
B) 2
C) 3
D) 4

IGCSE A Level Chemistry Exam Prep Tests

Buffer Solutions Learning App & Free Study Apps

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A level Chemistry App (Android & iOS)

A level Chemistry App (Android & iOS)

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College Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)

10th Grade Chemistry App (Android & iOS)