Activity No. 1.3 Consider activity guides no. 1 and 2. If you are ready, start! Study fist table 1 and scenario 1. Table 1: Boiling point of two liquid samples SAMPLES Temperature in ˚C Before heating After 5 minutes After 8 minutes After 10 minutes After 12 minutes After 14 minutes After 16 minutes Liquid A 28 40 65 90 100 100 100 Liquid B 30 45 65 97 105 108 113 Scenario 1: Melting point of two solid samples Chef Matt and his assistant observed two solid samples: Solid A and Solid B. Both substances are white crystalline powder. They cannot determine which is a substance and mixture just by looking at it. So, to distinguish which is which, they heated the two samples using an improvised melting dish. Both the two samples were heated at the same time and received an equal amount of heat. After a few minutes, they had observed that Solid A melts completely within a short period of time; while Solid B has portions that seem to be not melting. Guide Questions: 1. Which liquid sample is a substance? Table 1: Boiling point of two liquid samples Samples Temperature Observation while heating Liquid A Liquid B 2. Which solid sample is a substance? Scenario 1: Melting point of two solid samples Samples Appearance Observation while melting Solid A Solid B Report ko yung hindi tama answer admin aq e
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Activity No. 1.3 Consider activity guides no. 1 and 2. If you are ready, start! Study fist table 1 and scenario 1. Table
liquid A temp:100
liquid B temp:113
observation while heating liquid A:has lower melting point than liquid B
observation while heating liquid B:has higher melting point than liquid A
* The pure substance in this situation is liquid B
Solid A Appearance: white crystalline powder
Solid B Appearance: white crystalline powder
Observation while melting solid A: Solid A melts completely within a short period of time
Observation while melting solid B: Solid B has portions that seem to be not melting
* The pure substance in this situation is Solid A
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