Advertisements
Advertisements
Question
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Iron pipes coated with zinc do not get rusted easily.
Options
True
False
Solution
This statement is True.
Explanation:
The zinc coating on iron pipes prevents rust by acting as a protective barrier.
APPEARS IN
RELATED QUESTIONS
When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain.
FILL IN THE BLANK
Distillation is a method of obtaining pure ............. from a solution.
Fill in the blank.
Melting of ice is a _______ change.
Write true or false.
A chemical equation gives only qualitative information of a chemical reaction.
When hydrogen burns in oxygen, water is formed; when electricity is passed through water, hydrogen and oxygen are given out. Name the type of chemical change involved in the two cases.
Give an example of the following chemical changes.
A reaction where colour change is noticed.
Complete the table given below.
Heat on ammonium dichromate | Name of neutral gas evolved |
Mention the various conditions required for a chemical reaction to occur.
______ is a natural indicator.
Iron and rust are the same substances.