46· The disaccharide known as sucrose consists of: a) glucose and galactose b) g

Question

46· The disaccharide known as sucrose consists of: a) glucose and galactose b) glucose and fructose c) glucose and maltose d) AOTA e) NOTA 47. Oxidation Reduction reactions are primarily concerned with energy production in the body? a) True b) False 48. Isomers are molecules which have: a) the same chemical formula b) different chemical formulas c) same chemical shape d) different chemical shapes c) "a" and "d” 49. Ions are atoms that have gained or lost electrons? a) True b) False 0. The introduction of hydrochloric acid into a liquid will tend to raise the pH of the entire solution? a) True b) False

Explanation / Answer

46. Answer is b). glucose and fructose.

Sucrose consists of two monosaccharides: a glucose and a fructose.

47. Answer is a). True.

Oxidation and reduction reactions, collectively known as redox reactions, take place in body cells and are important for the production of energy, namely ATP. Oxidation involves the loss of electrons and reduction involves the gain of electrons.

48. Answer is e). "a" and "d".

Isomers are two or more molecules with the same chemical formula but have different arrangement of atoms in the molecule and possess different properties.

49. Answer is a). True.

Because Ions are of two types i.e. cations and anions. Cations possess positive charge by loss of electrons and anions are negatively charge by gaining of electrons.

50. Answer is b). False

Because HCl (hydrochloric acid) is acidic in nature that has very low pH, and when HCl is added into a liquid, it will decrease the pH of the solution.

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