d)Cho biết khi làm thí nghiệm với dung dịch hóa chất nào dưới đây bóng đèn cháy sáng: dịch dạ dày, nước vôi trong, giấm ăn, nước cốt chanh, nước biển, nước đường.

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Robert leaves a chocolate bar in his car while attending school all day. when he goes to his car in the afternoon, the bat has changed into gooey liquid. what happened to the chocolate bar