Q: What are the ionic compounds that produce negative hydroxide ions when dissolved in water? Read this paragraph and choose the correct option from the provided answers: Bases are ionic compounds that produce negative hydroxide ions (OH - ) when dissolved in water. An ionic compound contains positive metal ions and negative nonmetal ions held together by ionic bonds. (Ions are atoms that have become charged particles because they have either lost or gained electrons. ) An example of a base is sodium hydroxide (NaOH). When it dissolves in water, it produces negative hydroxide ions and positive sodium ions (Na + ). This can be represented by the equation:. Choices: - isotopes - acids - enzymes - bases A:
bases
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Q: What is a simple carbohydrate with the chemical formula c 6 h 12 o 6 better known as? Read this paragraph and choose the correct option from the provided answers: Glucose is a simple carbohydrate with the chemical formula C 6 H 12 O 6 . It stores chemical energy in a concentrated, stable form. In your body, glucose is the form of energy that is carried in your blood and taken up by each of your trillions of cells. Glucose is the end product of photosynthesis, and it is the nearly universal food for life. Choices: - glutamate - fructose - alcohol - glucose A:
glucose
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Q: What does a hypothesis become after many experiments provide results supporting it? Read this paragraph and choose the correct option from the provided answers: The scientific method is employed by scientists around the world, but it is not always conducted in the order above. Sometimes, hypothesis are formulated before observations are collected; sometimes observations are made before hypothesis are created. Regardless, it is important that scientists record their procedures carefully, allowing others to reproduce and verify the experimental data and results. After many experiments provide results supporting a hypothesis, the hypothesis becomes a theory . Theories remain theories forever, and are constantly being retested with every experiment and observation. Theories can never become fact or law . Choices: - a model - a fact - a study - a theory A:
a theory
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Q: Cells in blood include red blood cells, white blood cells, and what? Read this paragraph and choose the correct option from the provided answers: Cells in blood include red blood cells, white blood cells, and platelets. Choices: - protons - droplets - plasmids - platelets A:
platelets
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