Chemistry

Physical Vs Chemical change Examples, Differences, Definition Home  > Chemistry Article > Physical Change Vs Chemical change A physical change is a change that occurs when a substance undergoes change but doesn’t alter the chemical composition. No new substance formed in physical changes and it only changes the appearance of the substance. It is reversible …

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Is Methanol (CH3OH) an acid or base? Home  > Chemistry Article > Is CH3OH an acid or base? Methanol is also known as methyl alcohol or carbinol has a chemical formula CH3OH or CH4O. It appears as a colorless liquid and has a sweet + pungent odor. It is completely miscible in water. It is …

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Is Hydrogen sulfide (H2S) ionic or covalent? Home  > Chemistry Article > Is H2S ionic or covalent? Hydrogen sulfide is a colorless gas with a molar mass of 34.08 g·mol−1. It is poisonous and flammable with a smell like rotten gas. It is also dangerous for the environment. It is produced by anaerobic digestion in which microorganisms …

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Is Ammonium hydroxide (NH4OH) an acid or base? – Weak or Strong Home  > Chemistry Article > NH4OH acid or base Ammonium hydroxide is a solution of ammonia in water that has the chemical formula NH4OH. It appears colorless and able to irritate the eyes on direct contact. It is also known as ammonia water, …

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