Write the uses of the following:
Test tube.
Important Questions on Introduction to Chemistry
What is a nonbiodegradable substance?
State whether the following statement is true or false. If false, rewrite the correct form of the statement.
The first step involved in the scientific method is making a hypothesis.
State whether the following statement is true or false. If false, rewrite the correct form of the statement.
A test-tube holder is used to hold a test tube when it is being heated.
State whether the following statement is true or false. If false, rewrite the correct form of the statement.
A chemical called BHC is present in lemons and oranges.
State whether the following statement is true or false. If false, rewrite the correct form of the statement.
Nitric acid present inside our stomach helps in the digestion of food.
State whether the following statement is true or false. If false, rewrite the correct form of the statement.
A pipette is a three-legged piece of equipment made of cast iron.
