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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: It takes 3 minutes for a kettle to boil 1 litre of water how many minutes will it take a kettle to boil 1 and half litres of water
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Q: What mass of hydrogen is needed to react with 40g of copper oxide CuO plus H2-- Cu plus H20
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Q: Is the reaction between sodium hydroxide and benzoic acid exothermic
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Q: How many molecules are in 0.0650 mol NH3
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Q: Is CCl4 soluble in cyclohexane
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Q: Is copper 2 sulfate a liquid
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Q: What happens when the two hazardous elements potassium and chlorine are combined
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Q: What does the presence of a polar covalent bond show about the electronegativities of its atoms
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Q: Is iodine toxic
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Q: What is the function of sodium nitrite in the total flavonoids assessment test using aluminium chloride
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Q: Why are most polymers solid at room temperature
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Q: How would you decrease the concentration of a cordial drink
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Q: Why red colour is described as hearts desire
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Q: Is Evaporation and condensation are both a type of vaporization
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Q: Why isn't steel an element
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Q: Does fluorine conduct heat
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Q: Why is most of the mass of an atom found in its nucleus
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Q: Is CuSO4 an ionic compound
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Q: Why does carbon have a higher first ionization energy than boron
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Q: Can zinc carbonate react with hydrochloric acid
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Q: Which halogen is good for cleaning the teeth
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Q: What is chrorine
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Q: What element can you find a fair amount of it in your bones
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Q: Is obsidian an element or compound
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Q: Which of the binary compounds formed by the following pairs of elements contain covalent bonds
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Q: What is Ar 4s2 and 3d3 period
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Q: Can you restore hydro-chloride acid and zinc
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Q: What is the oxidation number for sulfur in Li2S
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Q: What scientific skill was used when scientists grouped chlorine with other natural elements
4 answers
Q: How much iron is present in 4.06 g of iron(III) oxide
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Q: How many atoms would remain of Au-198 that has 800 atoms after 8.1 days if its half-life is 2.7 days
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Q: What is the ionic compound name for CsI
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Q: What determines the bond length in atoms
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Q: What are the atoms in an ice cube
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Q: How do water particles behave whenthey are in their gasous state
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Q: How did chemist change mendeleevs perioic table in the early 1900s
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Q: What of the following is a characteristic of a metallic
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Q: Word used to describe how a smell can move around
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