1) An acid tastes a) Sour b) Bitter 2) A base tastes a) Sour b) Bitter 3) Citrus fruits are a) Basic b) Acidic c) Neutral 4) Water is a) Basic b) Acidic c) Neutral 5) Sodium hydroxide is a) Basic b) Acidic c) Neutral 6) Red litmus paper turns __________ in an acid. a) red b) blue 7) Blue litmus paper turns __________ in an acid. a) red b) blue 8) Red litmus paper turns __________ in a base. a) red b) blue 9) Blue litmus paper turns __________ in a base. a) red b) blue 10) Red litmus paper turns _____________ in water. a) red b) blue 11) Blue litmus paper turns ____________ in water. a) red b) blue 12) Red litmus paper stays red in a liquid and blue litmus paper turns red in the same liquid. The liquid is... a) Acidic b) Basic c) Neutral 13) Red litmus paper turns blue in a liquid and blue litmus paper stays blue in the same liquid. The liquid is. a) Acidic b) Basic c) Neutral 14) Red litmus stays red in a liquid and blue litmus paper stays blue in the same liquid. The liquid is..... a) Acidic b) Basic c) Neutral

Acids and Bases Indicators

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？