Colours on a pH scale are numbered. Which colour would match caustic soda on the pH scale? A. 1 B. 5 C. 7 D. 13​

The compound methyl butanoate smells like apples. its percent composition is 58.8% c, 9.9% h, and 31.4% o. what’s the empirical formula ?

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

The excretory system,need answers for all: )