Which of the following substance is compound?

Which of the following substance is compound?

Carbon dioxide and salt are compounds because the proportion of substances is fixed. All other remaining substances are mixture because the proportion of substances is not fixed.

Why Carbon dioxide is a compound?

Question 6. Q6) Give three reasons why – carbon dioxide is considered a compound while carbon is an element. Solution: Carbon is an element and Carbon dioxide constitutes of carbon and oxygen which are both independent elements combined together in a fixed ratio to form carbon dioxide.

How do you enumerate in academic writing?

Writing a list into a sentence is one way to include them with MLA essays. Use a colon to introduce the list in the sentence and then use commas or semicolons to split the list up. You can number items in the list by using parentheses without the “and” at the end.

Is element a molecule?

Elements can be made of one atom, like He, or be elemental molecules, such as hydrogen (H2), oxygen (O2), chlorine (Cl2), ozone (O3), and sulfur (S8). Atoms are not drawn to scale. Some elements are monatomic, meaning they are made of a single (mon-) atom (-atomic) in their molecular form.

How do you list things in a paragraph?

If you are including a simple, relatively short list of three to five items within a paragraph —also known as a series—the proper formatting is to: (a) precede the list with a comma, (b) label each item with a lowercase letter enclosed in parentheses, and (c) separate each item with commas or semicolons.

Is 03 an element or compound?


What is a sentence of enumeration?

Enumeration sentence example. Since then, the enumeration has been decennial, except in the case of the more recently colonized territories of Manitoba and the North-West, where an intermediate census was found necessary in 1885-1886. There is a systematic enumeration of the group by A.

What is an enumeration paragraph?

Enumeration simply means to list items in order order. • In an enumerative paragraph you will introduce your topic and list supporting points in a clear, logical order.

Which of these is an example of an oxygen compound?

Water as it consists of hydrogen and oxygen which is a compound.

What is the example of enumeration?

To enumerate is defined as to mention things one by one or to make clear the number of things. An example of enumerate is when you list all of an author’s works one by one. To determine the number of; count. To name one by one; specify, as in a list.

What is Oxygen’s symbol?


What are the most common compounds?


Compound Formula Abundance percent by weight
Silicon dioxide SiO2 42.86%
Magnesium oxide MgO 35.07%
Ferrous oxide FeO 8.97%
Aluminum oxide Al2O3 6.99%

What is the formula of carbon dioxide?


Is oxygen a compound or element?

Oxygen is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is O, and its atomic number is 8, which means that an oxygen atom has eight protons in its nucleus. Oxygen is a gas at room temperature and has no colour, smell or taste. Oxygen is found naturally as a molecule.

Is CO2 a compound?

Carbon Dioxide- CO2 is a chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. CO2 exist in the earth’a atmosphere as a gas and in its solid state it known as dry ice.