What is hard water?

Choose 1 answer

an alkaline earth metal and is the second element located in the second row of the periodic table

water which has relatively low concentration of calcium carbonate and other ions

to make dirty, polluted, or not usable by touching or by adding something to

water that has a high mineral content

a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body

{"type":"multi-choice","id":"10199","dataJson":{"type":"multi-choice","slide_id":53654,"key":10199,"prompt":"\u003cp\u003eWhat is hard water?\u003c/p\u003e","validResponse":[10766],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"an alkaline earth metal and is the second element located in the second row of the periodic table","value":10768,"fileboyId":"3742bf5b-10e9-4368-bb45-389f49f8b3bc"},{"label":"water which has relatively low concentration of calcium carbonate and other ions","value":10767,"fileboyId":"f9363cc4-fd2e-4993-a36b-311b30d3d784"},{"label":"to make dirty, polluted, or not usable by touching or by adding something to","value":10770,"fileboyId":"522866d3-59e0-46db-b2c1-71c2ce01bad3"},{"label":"water that has a high mineral content","value":10766,"fileboyId":"5aa71b89-b184-4195-860a-b9756ef92950"},{"label":"a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body","value":10769,"fileboyId":"5477159a-3ca7-4d4a-bf0d-a359e7e7ff17"}],"question_data":{"body":"You’ve probably heard of the terms “hard water” and “soft water.” You may wonder what determines the hardness or softness of water and whether one type of water is healthier or safer to drink than the other.\n","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/933de415-8a9e-4d6f-a63c-81338441f74a?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}

What is magnesium?

Choose 1 answer

an alkaline earth metal and is the second element located in the second row of the periodic table

to make dirty, polluted, or not usable by touching or by adding something to

water which has relatively low concentration of calcium carbonate and other ions

water that has a high mineral content

a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body

{"type":"multi-choice","id":"10201","dataJson":{"type":"multi-choice","slide_id":53655,"key":10201,"prompt":"\u003cp\u003eWhat is magnesium?\u003c/p\u003e","validResponse":[10768],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"an alkaline earth metal and is the second element located in the second row of the periodic table","value":10768,"fileboyId":"3742bf5b-10e9-4368-bb45-389f49f8b3bc"},{"label":"to make dirty, polluted, or not usable by touching or by adding something to","value":10770,"fileboyId":"522866d3-59e0-46db-b2c1-71c2ce01bad3"},{"label":"water which has relatively low concentration of calcium carbonate and other ions","value":10767,"fileboyId":"f9363cc4-fd2e-4993-a36b-311b30d3d784"},{"label":"water that has a high mineral content","value":10766,"fileboyId":"5aa71b89-b184-4195-860a-b9756ef92950"},{"label":"a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body","value":10769,"fileboyId":"5477159a-3ca7-4d4a-bf0d-a359e7e7ff17"}],"question_data":{"body":"Although water is typically crystal clear, it contains minerals and chemicals. The concentration of certain minerals is what creates the “hardness” of water. The hardness of water is determined primarily by the amount of calcium and magnesium it contains. Higher levels of these and other minerals make water hard.\n","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/08c5115a-c6e9-4d36-81e6-d1f4e3b96802?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}

What is calcium?

Choose 1 answer

water that has a high mineral content

to make dirty, polluted, or not usable by touching or by adding something to

an alkaline earth metal and is the second element located in the second row of the periodic table

water which has relatively low concentration of calcium carbonate and other ions

a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body

{"type":"multi-choice","id":"10202","dataJson":{"type":"multi-choice","slide_id":53655,"key":10202,"prompt":"\u003cp\u003eWhat is calcium?\u003c/p\u003e","validResponse":[10769],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"water that has a high mineral content","value":10766,"fileboyId":"5aa71b89-b184-4195-860a-b9756ef92950"},{"label":"to make dirty, polluted, or not usable by touching or by adding something to","value":10770,"fileboyId":"522866d3-59e0-46db-b2c1-71c2ce01bad3"},{"label":"an alkaline earth metal and is the second element located in the second row of the periodic table","value":10768,"fileboyId":"3742bf5b-10e9-4368-bb45-389f49f8b3bc"},{"label":"water which has relatively low concentration of calcium carbonate and other ions","value":10767,"fileboyId":"f9363cc4-fd2e-4993-a36b-311b30d3d784"},{"label":"a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body","value":10769,"fileboyId":"5477159a-3ca7-4d4a-bf0d-a359e7e7ff17"}],"question_data":{"body":"Although water is typically crystal clear, it contains minerals and chemicals. The concentration of certain minerals is what creates the “hardness” of water. The hardness of water is determined primarily by the amount of calcium and magnesium it contains. Higher levels of these and other minerals make water hard.\n","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/08c5115a-c6e9-4d36-81e6-d1f4e3b96802?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}

What is soft water?

Choose 1 answer

a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body

an alkaline earth metal and is the second element located in the second row of the periodic table

to make dirty, polluted, or not usable by touching or by adding something to

water that has a high mineral content

water which has relatively low concentration of calcium carbonate and other ions

{"type":"multi-choice","id":"10200","dataJson":{"type":"multi-choice","slide_id":53654,"key":10200,"prompt":"\u003cp\u003eWhat is soft water?\u003c/p\u003e","validResponse":[10767],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body","value":10769,"fileboyId":"5477159a-3ca7-4d4a-bf0d-a359e7e7ff17"},{"label":"an alkaline earth metal and is the second element located in the second row of the periodic table","value":10768,"fileboyId":"3742bf5b-10e9-4368-bb45-389f49f8b3bc"},{"label":"to make dirty, polluted, or not usable by touching or by adding something to","value":10770,"fileboyId":"522866d3-59e0-46db-b2c1-71c2ce01bad3"},{"label":"water that has a high mineral content","value":10766,"fileboyId":"5aa71b89-b184-4195-860a-b9756ef92950"},{"label":"water which has relatively low concentration of calcium carbonate and other ions","value":10767,"fileboyId":"f9363cc4-fd2e-4993-a36b-311b30d3d784"}],"question_data":{"body":"You’ve probably heard of the terms “hard water” and “soft water.” You may wonder what determines the hardness or softness of water and whether one type of water is healthier or safer to drink than the other.\n","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/933de415-8a9e-4d6f-a63c-81338441f74a?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}

What does contaminate mean?

Choose 1 answer

a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body

water that has a high mineral content

to make dirty, polluted, or not usable by touching or by adding something to

an alkaline earth metal and is the second element located in the second row of the periodic table

water which has relatively low concentration of calcium carbonate and other ions

{"type":"multi-choice","id":"10203","dataJson":{"type":"multi-choice","slide_id":53664,"key":10203,"prompt":"\u003cp\u003eWhat does contaminate mean?\u003c/p\u003e","validResponse":[10770],"use_data":false,"question_body":"","question_video_url":"","question_fileboy_image_id":"","options":[{"label":"a mineral that is found in foods, specifically dairy, and stored in bones and teeth in our body","value":10769,"fileboyId":"5477159a-3ca7-4d4a-bf0d-a359e7e7ff17"},{"label":"water that has a high mineral content","value":10766,"fileboyId":"5aa71b89-b184-4195-860a-b9756ef92950"},{"label":"to make dirty, polluted, or not usable by touching or by adding something to","value":10770,"fileboyId":"522866d3-59e0-46db-b2c1-71c2ce01bad3"},{"label":"an alkaline earth metal and is the second element located in the second row of the periodic table","value":10768,"fileboyId":"3742bf5b-10e9-4368-bb45-389f49f8b3bc"},{"label":"water which has relatively low concentration of calcium carbonate and other ions","value":10767,"fileboyId":"f9363cc4-fd2e-4993-a36b-311b30d3d784"}],"question_data":{"body":"If your home has an old, untreated plumbing system, it’s a good idea to have your water tested for levels of lead and other contaminants. Many public water utilities will test home water samples for little to no cost.\n","video":null,"image_url":"https://new-server.developingexperts.com/file-cdn/images/get/428278fe-c7ef-4d7b-97d5-4979bee8dfad?transform=resize:800x600;format:webp;quality:80"},"limitChoices":{"min":1,"max":1}}}

Answer incorrect

Look at the slide below to work out the answer.