The pressure of a gas increases with an increase in temperature. Question 6Select one:TrueFalseQuestion 7Not yet answeredMarked out of 1.00Flag questionTipsQuestion textWhen frozen carbon dioxide immediately changes from a solid to a gaseous state it is an example of ...Question 7Select one:sublimationcondensationevaporationionizationClear my choiceQuestion 8Not yet answeredMarked out of 1.00Flag questionTipsQuestion textThe atmosphere exerts pressure on the surface of liquids.Question 8Select one:TrueFalseQuestion 9Not yet answeredMarked out of 2.00Flag questionTipsQuestion textCalculate the density of an object in g.cm-3 by using the following information. Just write the numerical value.Length = 1 cm3   Width = 2 cm3   Depth = 3 cm3Mass = 900 g(Do not type the unit)Answer:Question 9Question 10Not yet answeredMarked out of 5.00Flag questionTipsQuestion textMatch the following phrases:Loss of heat energyAnswer 1 Question 10Absorption of heat energyAnswer 2 Question 10Changes in state of matterAnswer 3 Question 10Matter changes from liquid to a solidAnswer 4 Question 10Matter changes from solid to a liquidAnswer 5 Question 10

Which of the following statements are true:"An increase in temperature causes ..."Question 1Select one or more:the volume of an object to increasemore vibrations of particleslower kinetic energy (Ek)of particlesless collisions between particlesparticles to occupy less spacemolecules to move farther apart from each otherQuestion 2Not yet answeredMarked out of 1.00Flag questionTipsQuestion textWhen petrol freezes it contracts.Question 2Select one:TrueFalseQuestion 3Not yet answeredMarked out of 3.00Flag questionTipsQuestion textDrag and drop the correct text to the symbol in the formula to calculate density.blank blank blank velocitymassvolumedensitypressureQuestion 4Not yet answeredMarked out of 1.00Flag questionTipsQuestion textThe temperature of melting is always equal to the temperature of freezing.Question 4Select one:TrueFalseQuestion 5Not yet answeredMarked out of 1.00Flag questionTipsQuestion textPlasma can conduct electricity because it consists of ionised particles.Question 5Select one:TrueFalse

13. The freezing point of water is the same as its ______.*1 pointA. boiling point.B. evaporation point.C. melting point.D. sublimation point.14. Which state of matter undergoes changes in volume most easily?*1 pointA. solidB. liquidC. gas 15. Which statement best explains the fact that gases can be compressed?*1 pointA. The particles in a gas do not have a fixed volume.B. The particles in a gas are very far apart.C. The particles in a gas have no force of attraction (bonds) between them.D. The particles in a gas are constantly moving very rapidly.16. Which of the following states of matter has the highest density?1 pointA. SolidB. LiquidC. Gas17. In which state of matter are particles held together by weak forces of attraction and are able to move freely over long distances?*1 pointA. SolidB. LiquidC. Gas18. Particles of all matter are in constant random motion.*1 pointA. TrueB. False19. These particles are held together by very strong forces of attraction*1 pointA. SolidB. LiquidC. GasD. Plasma20. What happens to particles of liquid when they are heated?*1 pointA. They slide over one another faster and move further apartB. They slow down and compressC. They stop movingD. They slide over one another slower and move closer together

Which one of the following sets of phenomena would increase on raising the temperature?a. Diffusion, evaporation, compression of gasesb. Evaporation, compression of gases, solubilityc. Evaporation, Diffusion, Expansion of gasesd. Evaporation, solubility, diffusion, compressibility of gases

When the temperature is lowered and pressure is raised, the adsorption of a gas on a solida.Increasesb.Remains unaffectedc.Decreasesd.Decreases first then increases

States that the volume of a gas increases with increasing temperature if the pressure is constan