kartkówka - Acids&Bases

Wzór sumaryczny	Nazwa polska	Nazwa ang,	Reszta kwasowa (nazwa ang.)
1.	Kwas chlorowodorowy	2.	3.
H2S	4.	5.	Sulfide
6.	7.	8.	Phosphate
9.	10.	Nitric Acid	Nitrate

2. True or false?

1.        Acid and base react one with another.    ………………..

2.        Bases taste sour.                                          ………………….

3.        Acids change phenolphthalein colour to red.   …………………

4.        Bases have a slippery feel.                                    ……………………..

5.        Acids produce hydroxide ions when it dissolves in water. ………………..

3. Read the text. What is in the flask?

Student had a liquid substance in the flask. After he added methyl orange it became red. When he mixed it with litmus it became red either. It reacts with magnesium. What was it?  

Wzór sumaryczny	Nazwa polska	Nazwa ang,	Reszta kwasowa (nazwa ang.)
1.	2.	Nitric Acid	Nitrate
H2S	3.	4.	Sulfide
5.	6.	7.	Phosphate
HCl	8.	9.	10.

2. True or false?

1.        Acid and base do not react one with another.    ………………..

2.        Bases taste sour.                                          ………………….

3.        Acids change phenolphthalein colour to pink.   …………………

4.        Bases have a slippery feel.                                    ……………………..

5.        Bases produce hydroxide ions when it dissolves in water. ………………..

3. Read the text. What is in the flask?

Student had a liquid substance in the flask. After he added phenolphthalein it became pink.  When he mixed it with litmus it became blue. It doesn’t react with magnesium. What was it?  ……………………………….

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