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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: Why do we use a wavelength of 540 nm for KMNO4
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Q: What do we call Substances which are bitter in taste feel soapy on touching
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Q: What mineral has a rhombohedral shape and reacts to dilute hydrochloric acid
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Q: What are the major substances in a soap
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Q: In a chemical equation the arrow indicating a reaction point in which direction
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Q: What happens when dilute sulphuric acid reacts with iron
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Q: What happens if you swallow crazy glue
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Q: What is required for two atoms to share electons equally in a chemical bond
3 answers
Q: What is the term for a solution made in water
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Q: Which explains the change in ionization energy that occurs between removing the first and second electrons from an atom
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Q: Hydrochloric acid is strong enough to burn the skin then how is our stomach unharmed
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Q: How many atoms are in 4Ca3(PO4)2
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Q: What are particles in a gas are best described as
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Q: How does one determine a molecular formula from the empirical form
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Q: What is the percentage of P in Mg3 (PO4)2
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Q: What is the Nobel gas configuration for zirconium
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Q: What is correct name for K2 SO4
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Q: What are the uses of English bond
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Q: What is cellular macromolecules containing hydrogen oxygen nitrogen carbon and phosphorous.
6 answers
Q: Will swallowing semen affect your cholesterol
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Q: What happens when you mix water and chloroform
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Q: Why is petrol not a fossil fuel
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Q: What is the primary indication of oxygen therapy
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Q: Large organic molecules that are synthesized from multiple subunits are
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Q: Why do you use acetanilide rather aniline in the synthesis of p-nitroaniline
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Q: How much is the price of baking soda in the Philippines
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Q: Which two elements combine to make a stable compound
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Q: Can a carbon double bond have D or L designation
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Q: What is the density of acetic acid
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Q: What type of bonding would be present ingroup 5period3 and group 7 period2
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Q: How old does sap have to be before amber
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Q: Is aluminum and oxygen a covalent bond
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Q: To measure how much stuff is in a specified volume of a substance seciemtists scientists use
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Q: How are positive and negative oxidation numbers assigned in a compound
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Q: What is true of a Lewis base apex
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Q: What is the energy required to remove an electron from an atom in gaseous state called
3 answers
Q: Which molecular solids has the highest melting point
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Q: What is the molality solution that has 3 mol of glucose in 6 kg if water
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Q: How change will decrease the number of effective collisions during a chemical reaction
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Q: How many atoms of oxygen
1 answer
Q: What is the oxidation state of CI HCIO3
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Q: What does runoff of fertilizer cause
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Q: Describe How ethene forms poly (ethene)
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Q: What elements are good insulators
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Q: A solution if hydroflouric acid HF(aq) is at the equilibrium how would the system change if more Hf were added to the solution
2 answers
Q: What is always true about a weak acid
1 answer
Q: How many moles of O2 are needed to to produce 10.2 moles of H2O
1 answer
Q: Which is the percent composition of bromine in the compound NaBr
1 answer
Q: What is the percent compositor oxygen in Al(OH)
1 answer
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