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Questions tagged 'substances'

7 questions

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Anonymous

Feb 02, 2025

Which of these substances contains the most total atoms per molecule?

Which of the following substances contains the highest total number of atoms per molecule? a) Na2PFO3 b) H2SO4 c) Ni(NO3)2 d) NbCl5

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Anonymous

Jan 29, 2025

Which pair of substances could be used to illustrate the laws of multiple proportions?

Which pair of substances could be used to illustrate the laws of multiple proportions? a) NaCl, KCl b) SO₂, H₂SO₄ c) H₂O, O₂ d) CH₄, C₆H₁₂O₆ e) CO, CO₂ Please explain your answer.

Is Meth the same thing as speed?

I am curious about the relationship between different substances. I've heard that "speed" is often used as a colloquial term for amphetamines. Can you clarify whether crystal meth is the same as speed...

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Anonymous

Jan 04, 2025

I need a list of things that are slippery?

Hello everyone, I'm currently working on a project that requires a comprehensive list of slippery items or substances. Could you please share as many suggestions as you can think of? The contributor...

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Anonymous

Jan 02, 2025

Which if the following substances has a pH closest to 7.0?

Which of the following substances has a pH value closest to 7.0? - Lye - Vaginal fluid - Gastric juice - Cerebrospinal fluid - Milk of magnesia

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Anonymous

Nov 25, 2024

Which of the following could be a buffer?

Which of the following pairs of substances could function as a buffer solution? a) NaCl + HF b) HF + NaF c) HF + H2O d) NaF e) NaF + H2O

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Anonymous

Nov 05, 2024

Which of the three substances has the greatest porosity?

Which of the following three substances exhibits the greatest porosity? a. Gravel b. Sand c. Silt d. All are equal