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Chemistry

Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.

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Q: What is the net ionic equation of na oh- h cr- h2o na cl-
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Q: How many calcium carbonate ions are present in 50g of caco3
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Q: What happens in the reaction between sulfuric acid and tin (II) chloride
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Q: Why does the body produce hydrochloric acid
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Q: When a drop of phenolphthalein is introduced in barium hydroxide the solution turns what colour
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Q: Please help i have no clue with this. Thanks. How do the numbers of a metal and nonmetal elements compare with each other estimate an approximate percentage
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Q: What is a corrosive base used to make drian cleaners and oven cleaners
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Q: What elements does Copper Sulfide contain
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Q: Which category of chemical reactions comes from the term that means to put things together
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Q: What is the valency and formula of and aluminate ion
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Q: Will baking soda clear your urine of meth
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Q: What are weak forms and strong forms
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Q: What happened when the piece of chalk was broken into pieces what there a change
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Q: Is canvas synthetic
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Q: Why sand is used to put off the fire
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Q: Is stone is a sample of matter
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Q: What main part of a fuel cell is made out of a polymer
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Q: What molecule in the ground is nitrogen found where there is no oxygen around
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Q: How can you tell if a solid has not dissolve
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Q: What is the reaction of Ag2CO3 plus HNO3
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Q: What is the Lewis electron dot structure for Na Cl
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Q: When a saturated solution is heated can it recrystallize more crystals
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Q: How fast does hydrogen peroxide evaporate
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Q: Is p2o3 ionic or molecular
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Q: When red litmus paper is placed in coke what colour does it change to
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Q: How much does a green chili weigh
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Q: What would happen if oxygen are not available
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Q: How much does a galloon of methanol weigh
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Q: Is butter and sugar being made into toffee a physical change
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Q: Does coal pollute
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Q: How many moles are present in 4g sodium hydroxide
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