Knewton 1 Exam Questions With Verified Answers

Knewton 1 Exam Questions With Verified Answers. In which state of better do particles stay tightly packed together, and vibrate without changing position? A) Gas B) Liquid C) Solid D) Plasma - answerC) Solid Which state change occurs during vaporization? A) Solid to Liquid B)Solid to Gas C) Gas to Liquid D) Liquid to Gas - answerD) Liquid to Gas A jeweler is creating a unique ring, and melts 16 g of silver in a sealed environment. Once the silver hardens, this jeweler sculpts the ring, reheats it, and adds 2 g of nickel. He delivers the ring to his client, who does not like it and asks him to remake it. The jeweler reheats the ring and tries again. What is the total mass of the ring at this point? A) 14g B) 16g C) 18g D) 20g - answerC) 18g Which of the following events fail to follow the law of conservation of matter? A) Burning wood for a fire B) Freezing water into ice cubes C) The decomposition of MgCl2 into MG and Cl2 D) None of these - answerD) None of these Which physical form(s) of matter have neither a definite volume nor definite shape? A) Plasma B) Solid C) Liquid D) Gas - answerA) Plasma D) Gas Which of the following describes the gaseous state of matter? (check all that apply) A) It expands to fill its container B) it has a fixed shape C) particles are far away from one another, and experience little attraction D) the gas phase is the hottest phase - answerA) It expands to fill its container C) particles are far away from one another, and experience little attraction Which phase of water has the highest density? A) Solid B) Liquid C) Gas - answerB) Liquid If you boil a sample of water, the steam that results will have? A) less mass than the water B) more mass than the water C) the same mass as the water D) impossible to predict - answerC) the same mass as the water Which of the following is a molecule? A) water B) ozone C) glucose D) all of the above - answer Which of the following statements is true about the relationship between atoms and molecules? Select all that apply.