CHILD DEVELOPMENT PEDAGOGY

GROWTH DEVELOPMENT CHILD

SUMMATIVE ASSESSMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is a chemical property?
A
hardness
B
ability to react with oxygen
C
ability to dissolve in water
D
boiling point
Explanation: 

Detailed explanation-1: -Flammability. Flammability is the ability of matter to burn. When matter burns, it combines with oxygen and changes to different substances.

Detailed explanation-2: -Reacting with Oxygen The ability of a substance to burn is a chemical property that involves a substance reacting quickly with oxygen to produce light and heat. Reacting with oxygen slowly occurs when iron rusts or apples turn brown.

Detailed explanation-3: -The key properties of oxygen are listed below: It is a colorless, odorless and tasteless gas. It readily dissolves in cold water. It is highly reactive and form oxides with almost all elements except noble gases.

Detailed explanation-4: -Oxidation is a process in which a substance is reacted with oxygen to produce one or more oxides; it is also defined as a loss of hydrogen atoms.

Detailed explanation-5: -Oxygen is a colorless gas. It is an odorless gas. Oxygen does not have any taste. Oxygen has a higher density than air.

There is 1 question to complete.