The brown, sticky mass that is created when the chemical particles in tobacco smoke condense is called:Multiple choice question.lighter fluidacetonegreasecigarette tar

Smoke is a mixture of air and solid particles produced by burning something.Propose an experiment to see if smoke is a colloid or a suspension.

Question6Fill in the blank with a suitable answer. Smoke from factories and vehicles contains harmful substances such as sulfur dioxide and nitrogen oxide. They dissolve in rainwater to form ____________.Answer:

As gases condense to form liquids, the particles __________ energy. What word completes this sentence?

What is the mass in grams of one mole of a substance called?Multiple choice question.substance massgram massatomic massmolar mass

When smoke particles are observed through a microscope in a smoke cell which is illuminated from the side. (a) What observation is made? (1mk) (b) How can you tell which particles are larger? (1mk) (c) What change on their motion would be observed if the temperature