Daily Practice - 13+ Common Entrance

Put these structures in the order air passes through them when breathing in, starting from the windpipe: alveoli, bronchi, trachea, bronchioles.

The density of olive oil is 0.92 g/cm³. State, with a reason, whether olive oil would float or sink in water (density 1.0 g/cm³).The density of olive oil is 0.92 g/cm^3. State, with a reason, whether olive oil would float or sink in water (density 1.0 g/cm^3).

Complete the word equation: hydrochloric acid + sodium hydroxide produces ___ + ___.Complete the word equation: hydrochloric acid + sodium hydroxide produces ___ + ___.

State the property used to arrange the elements in order in the modern periodic table.

In the disappearing cross experiment, a student times how long it takes for a cross under the flask to disappear from view. Explain why a shorter time indicates a faster reaction.