Which is not a compound? a. silicon dioxide b. sugar c. water

Why doesn't heat added to water make the tempature rise above 100c

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

Avariable that is not being directly tested during an experiment should be