Question 1

Match the substances on the left with the description on the right.&#10;&#10;-Sodium chloride&#10;A) Non-polar covalent molecule&#10;B) Element&#10;C) Polar covalent molecule&#10;D) Ionic compound

Accepted Answer

Sodium chloride (NaCl) is an ionic compound, formed by the transfer of electrons from sodium (Na) to chlorine (Cl), resulting in the formation of positively charged sodium ions (Na+) and negatively charged chloride ions (Cl-).

Question 2

Match the substances on the left with the description on the right.&#10;&#10;-Oxygen&#10;A) Non-polar covalent molecule&#10;B) Element&#10;C) Polar covalent molecule&#10;D) Ionic compound

Accepted Answer

Non-polar covalent molecule&#10;

Question 3

Match the substances on the left with the description on the right.

-Hydrogen chloride gas

A) Non-polar covalent molecule
B) Element
C) Polar covalent molecule
D) Ionic compound

Polar covalent molecule

Accepted Answer

Hydrogen chloride (HCl) is a polar covalent molecule because it consists of two atoms, hydrogen and chlorine, with different electronegativities, creating a dipole moment.

Question 4

Match the substances on the left with the description on the right.&#10;&#10;-Potassium&#10;A) Non-polar covalent molecule&#10;B) Element&#10;C) Polar covalent molecule&#10;D) Ionic compound

Accepted Answer

Potassium is an element on the periodic table, symbolized as K.

Question 5

Match the general formulae on the left with the chemical groups on the right.&#10;&#10;-C?H????&#10;A) Alcohol&#10;B) Alkane&#10;C) Carboxylic acid&#10;D) Ketone

Accepted Answer

Alkanes have the general formula CnH2n+2, where n is the number of carbon atoms. This formula indicates a saturated hydrocarbon with single bonds only.

Question 6

Match the general formulae on the left with the chemical groups on the right.&#10;&#10;-RCH?OH&#10;A) Alcohol&#10;B) Alkane&#10;C) Carboxylic acid&#10;D) Ketone

Accepted Answer

RCH2OH represents the general formula for an alcohol, where R is an alkyl group, and the OH group is the hydroxyl functional group characteristic of alcohols.

Question 7

Match the general formulae on the left with the chemical groups on the right.&#10;&#10;-RCOR&#10;A) Alcohol&#10;B) Alkane&#10;C) Carboxylic acid&#10;D) Ketone

Accepted Answer

RCOR represents the general formula for a ketone, where R represents an alkyl group and CO is the carbonyl group.

Question 8

Match the general formulae on the left with the chemical groups on the right.&#10;&#10;-RCOOH&#10;A) Alcohol&#10;B) Alkane&#10;C) Carboxylic acid&#10;D) Ketone

Accepted Answer

RCOOH is the general formula for carboxylic acids, where R represents an alkyl group.

Question 9

Match the substances on the left with the chemical groups on the right.&#10;&#10;-Butane&#10;A) Amine&#10;B) Ketone&#10;C) Alcohol&#10;D) Alkane

Accepted Answer

Butane is an alkane, which is a hydrocarbon with single bonds only.

Question 10

Match the substances on the left with the chemical groups on the right.&#10;&#10;-Acetone&#10;A) Amine&#10;B) Ketone&#10;C) Alcohol&#10;D) Alkane

Accepted Answer

Acetone is a ketone, characterized by a carbonyl group (C=O) bonded to two carbon atoms.

Question 11

Match the substances on the left with the chemical groups on the right.&#10;&#10;-Adrenaline (epinephrine)&#10;A) Amine&#10;B) Ketone&#10;C) Alcohol&#10;D) Alkane

Accepted Answer

The answer of Match the substances on the left with...

Question 12

Match the substances on the left with the chemical groups on the right.&#10;&#10;-Methanol&#10;A) Amine&#10;B) Ketone&#10;C) Alcohol&#10;D) Alkane

Accepted Answer

The answer of Match the substances on the left with...

Question 13

Match the equations on the left with the descriptions on the right. -NaCl_(aq) ? Na⁺ + Cl^- A) Reduction B) Partner exchange C) Ionisation D) Combination

Accepted Answer

The answer of Match the equations on the left with...

Question 14

Match the equations on the left with the descriptions on the right. -HCl_(aq) + NaHCO₃ ? H₂CO₃ + NaCl A) Reduction B) Partner exchange C) Ionisation D) Combination

Accepted Answer

The answer of Match the equations on the left with...

Question 15

Match the equations on the left with the descriptions on the right. -(C) N₂ + 3H₂ ? 2NH₃ A) Reduction B) Partner exchange C) Ionisation D) Combination

Accepted Answer

The answer of Match the equations on the left with...

Question 16

Match the equations on the left with the descriptions on the right. -NAD⁺ ? NADH A) Reduction B) Partner exchange C) Ionisation D) Combination

Accepted Answer

The answer of Match the equations on the left with...

Deck 1: Water, Electrolytes and Body ﬂuids