Câu 1 Đun nóng este HCOOCH3 với một lượng vừa đủ dung dịch NaOH, sản phẩm thu được là
A

CH3COONa và C2H5OH.
B

HCOONa và C2H5OH.
C

HCOONa và CH3OH.

D

CH3COONa và CH3OH

There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0