1) Soap is an alkaline. The blue litmus paper....... a) changes to red b) remain the same colour c) changes to yellow 2) Facial cleanser has smooth and slippery touch. The red litmus paper changes to blue. It is....... a) Alkaline b) Acid c) Neutral 3) When Aliza, pours some purple cabbage juice in soy sauce, she finds the liquid changes to red. Therefore, soy sauce is a) Alkaline b) Acid c) Neutral 4) Tamarind juice tastes sour. Suzan feels it might be acidic. what is the test can be done to ensure that tamarind juice is acidic? a) testing with blue litmus paper and it does not change in colour b) testing with blue litmus paper and it changes red colour c) testing with red litmus paper and it changes to blue colour d) testing with blue and red litmus papers and no change in colour 5) cooking oil , salt water and mineral water substances are neutral. Both litmus papers change to _____________colour a) no b) blue c) red 6) which one of these substances are acidic ? a) soap and detergent powder b) soya milk and tamarind juice c) cooking oil and mineral water 7) This is tamarind juice. It is an acidic substance. When a blue litmus paper is dipped into the juice, it will change to ____________colour a) red b) blue c) no colour 8) substance X is a) Acid b) Alkaline c) Neutral 9) Substance Y is a) Acid b) Alkaline c) Neutral 10) Substance Z is a) Acid b) Alkaline c) Neutral

ACID, ALKALINE AND NEUTRAL

autors:
Iegult

Līderu saraksts

Vizuālais stils

Iespējas

Pārslēgt veidni

Atjaunot automātiski saglabāto: ?