What happened to the contents of the two test tubes? Answer: The contents of tube A stay red/ yellow in the presence of iodine. This shows there is no starch present while the contents of tube B turned blue-black . This shows that tube B still contains starch. Explanation: These are the following information and instructions: Dissolve some starch in water to form a starch solution. Add equal amounts of starch solution to each of two test tubes. Add saliva to one of the tubes called tube A. to shake the test tube to mix the contents. Do not add saliva to tube B , this tube acts as a control. Leave both test tubes for 10 minutes in a water bath at 37°C. Add a few drops of the solution from each tube to a few drops of iodine solution on a dropping tile. For more information on related topics, please open these three following links given below: What will happened to the balloon when it is in test tube that is heated. brainly.ph/question/2170007 What happened when you...
Bakit natuturing na bansa ang Pilipinas? Answer: Explanation: Ang Pilipinas ay maituturing na isang bansa dahil taglay nito ang apat na elemento upang masabi na ang isang lugar ay isang estado o bansa. 1. Tao - Tumutukoy ito sa pangkat ng mga taong naninirahan sa isang teritoryo o lugar. Sila ang bumubuo ng populasyon ng bansa. 2. Teritoryo - Tumtukoy naman ito sa lawak ng lupain, katubigan at himpapawid na nasasaklaw ng isang bansa. Ito ang tinitirahan ng mga tao at ang pinamumunuan ng gobyerno o pamahalaan. 3. Pamahalaan - Tumutukoy ito sa isang samahang politikal na binubuo ng grupo ng mga taong naglalayong magtatag ng maayos at sibilisadong lipunan. 4. Soberanya - Ito ay ganap na kalayaan. Tumutukoy ito sa kapangyarihan ng gobyerno na pamahalaan ang kanyang nasasakupan nang walang pakikialam mula sa ibang bansa. Read more on Brainly.ph - brainly.ph/question/135585#readmore
Ano ang mga scientific methos step Answer: 1.Purpose (state the problem 2. Research (find out the topic) 3.Hypothesis (Predict the outcome to the problem) 4. Experiment ( Develope a Procedure to test the hypothesis) 5. Analysis (Record the Results Of an experiment) 6. Conclusion (Compare Hypothesis/Was your Hypothesis Correct)
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