Tag: natural resources- air, water and land

Quizzes (41) Questions (257)

Questions Related to natural resources- air, water and land

Multiple choice chemistry nitrogen and sulfur sulfur and its oxides acid deposition natural resources- air, water and land

State whether the following statement is true or false:

The chemical formula of king of chemicals, sulphuric acid is $H _2SO _4$.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The chemical formula of king of chemicals, sulphuric acid is $H _2SO _4$. It is a dibasic acid and forms two types of salts
 $\displaystyle NaHSO _4$ (sodium hydrogen sulphate) and $\displaystyle Na _2SO _4$ (sodium sulphate).

Multiple choice chemistry nitrogen and sulfur sulfur and its oxides acid deposition natural resources- air, water and land

Which statement describes a disadvantage of sulfur dioxide?

  1. It can be used as a bleach in making wood pulp

  2. It can be used to kill bacteria in food

  3. It can be used to manufacture sulfuric acid

  4. It can dissolve the limestone in statues
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

$\text{sulphur dioxide can dissolve the limestone.}$


$CaCO _3+H _2O \rightarrow Ca(OH) _2+CO _2$
$Ca(OH) _2+SO _2 \rightarrow CaSO _3+H _2O$

Multiple choice chemistry nitrogen and sulfur sulfur and its oxides acid deposition natural resources- air, water and land

Which of the following is the most important man-made source of sulfur dioxide?

  1. Fossil fuel combustion

  2. Conversion of wood pulp to paper

  3. Both a and b

  4. Decaying of plant matter
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The most important man-made sources of sulfur dioxide are fossil fuel combustion, smelting, manufacture of sulfuric acid, conversion of wood pulp to paper, incineration of refuse and production of elemental sulfur.

Multiple choice chemistry nitrogen and sulfur sulfur and its oxides acid deposition natural resources- air, water and land

The air pollution by $SO _2$ has which of the following effects on human beings?

  1. Pulmonary oedema

  2. Airways inflammation

  3. Corneal haze

  4. All of above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The air pollution by $SO _2$ can cause Corneal haze, breathing difficulty, airways inflammation, eye irritation, psychic alterations, pulmonary oedema, heart failure and circulatory collapse in human beings.  

Multiple choice chemistry nitrogen and sulfur sulfur and its oxides acid deposition natural resources- air, water and land

Which of the following fuel additives may be used in marine engines to lower the emission of sulfur dioxide gases?

  1. Calcium

  2. Magnesium carboxylate

  3. Copper

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fuel additives such as calcium additives and magnesium carboxylate may be used in marine engines to lower the emission of sulfur dioxide gases into the atmosphere.