question What is the product of the reaction between hydrochloric acid HCl and magnesium carbonate MgCO

Chemistry

What is the product of the reaction between hydrochloric acid (HCl) and magnesium carbonate (MgCO₃)?

A. Magnesium chloride and water
B. Carbon dioxide and water
C. Magnesium chloride and carbon dioxide
D. Magnesium hydroxide and carbon dioxide

The reaction results in the formation of magnesium chloride and carbon dioxide.

What is the name of the process where a nucleus spontaneously decays, emitting radiation?

A. Radioactive decay
B. Nuclear fission
C. Nuclear fusion
D. Nuclear transmutation

The term "enthalpy of reaction" (ΔHrxn) is also known as:

A. Heat of formation
B. Heat of combustion
C. Heat of solution
D. Heat of fusion

The pH of a solution is a measure of its:

A. Acidity or alkalinity
B. Temperature
C. Density
D. Volume

The element with the chemical symbol Fe is:

A. Iron
B. Iodine
C. Iridium
D. Indium

The transition metals are found in which block of the periodic table?

A. d-block
B. s-block
C. p-block
D. f-block

Which of the following is a property of strong acids?

A. Completely ionize in water
B. Partially ionize in water
C. Form a weak electrolyte
D. Have a pH above 7

Which of the following is an example of a strong base used in household products?

A. Sodium hydroxide (NaOH)
B. Ammonium hydroxide (NH₄OH)
C. Potassium hydroxide (KOH)
D. Acetic acid (CH₃COOH)

The substance that can donate a proton (H⁺) is known as a(n):

A. Acid
B. Base
C. Salt
D. Indicator

Which of the following indicators is commonly used to test for the presence of acids and bases?

A. Litmus paper
B. Thermometer
C. Barometer
D. pH meter

The functional group in an aldehyde is:

A. Carbonyl (C=O)
B. Hydroxyl (-OH)
C. Carboxyl (-COOH)
D. Amino (-NH₂)