Science Post Test 1 Q-1
Quiz by Jeremiah Elizalde Cena
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10 questions
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- Q11.Homogeneous mixture is one of its classification. Which is the following is a homogeneous mixture?mixed nutsCoffee Waterpebblesoil and water45s
- Q2Mixture is produced when two or more substances are combined. Which is an example of a mixture?SaltVinegarSugarCoffee Powder45s
- Q3Homogeneous mixture has uniform composition throughout. Which of the following mixtures which components are easily identified?TahoHot coffeeHot teaJuice drink45s
- Q4Homogeneous mixture has uniform composition throughout. What is the best description of a heterogeneous mixture?We could easily see the particles.It could break down easily.We could not easily see the particles.It could transfer the particles to another place.120s
- Q5Mixtures are physical combinations of pure substances that have definite or constant composition. Which of the following mixtures appears to have only one phase?Waknatoy (menudo with pickles)Putong PuloSumanHalo-halo45s
- Q6Your science teacher showed in class a bowl of fruit and vegetables salad. Your classmate examined the mixture and was able to distinguish fruits from vegetables. What type of mixture was presented by your teacher?Homogeneous (Uniform)ColloidHeterogeneous (Non-Uniform)Solution45s
- Q7Student A tried to mix a tablespoonful of sugar in a glass of hot water. While Student B mixed the sugar with a glass of tap water. They tried to do this at the same time. What do you think will they observe on the two mixtures?The sugar floated at the top of each solvent.The sugar dissolved faster in tap water.The sugar was not dissolved completely in the two set-ups they made.The sugar dissolved faster in the glass of hot water.120s
- Q8Your mother prepared two glasses of juice powder and water, but she was not able to mix well the mixture in the other glass. Which of the following factors affecting the rate of dissolution made the other one sweeter compared to the other glass?temperatureAmount of solventsize of particlesStirring60s
- Q9Colloids are heterogeneous mixture that seem homogeneous because the solute particles in them can be evenly distributed by stirring and shaking. Which of the following groups of mixtures are examples of colloids?salt solution, powdered juice and water, sugar solutiongravel and water, muddy water, sandy watergelatin, blood, clouddust in the air, fog, smog120s
- Q10Colloid is another form of mixture. However, they are heterogeneous mixtures. Which of the following phrases best describes colloids?It is a suspensions that look like solutions.It is a solutions that look like colloid.It is a homogeneous mixtures that seem to be heterogeneous.It is a heterogeneous mixtures that seem to be homogeneous.120s