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Doreina Cayat 5 perguntas

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Perguntas do quiz (5)

1Wich of the following is a base
1. AHOH
2. BNaCi
3. CMg(OH)2
4. DHCI
2Wich of the following is neutral?
1. AFeS
2. BLiBr
3. CMgCI2
4. DH2O
3Wich of the following is an Acid?
1. AFeCI
2. BHCI
3. CH2O
4. DCa(OH)
4Wich of the following may describe an acid?
1. AHas a bitter Taste
2. BPh8
3. CProduce OH-ions in water
4. DProduce H+ions in water
5Why should An acid or base be mixed with a base or acid,respectively, drop by drop. In a neutralization expirement?
1. ATo conserve on acid or base materials
2. BTo observe carefully the change in color
3. CTo maintain acidity and alkalinity
4. Dto avoid explosion