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Acids, bases and salt

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The pH values of six solutions A to F are given below: A = 0, B = 11, C = 6, D = 3, E = 13...
By Deepak Rock, 4 years ago
replies 1
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What does the pH of a solution signify? Three solutions A, B and C have pH values of 6, 4 ...
By Deepak Rock, 4 years ago
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0
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160
(a) Why is it wrong to treat a bee sting with vinegar? (b) Why is it wrong to treat a wasp...
By Deepak Rock, 4 years ago
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0
1
177
What happens during a bee sting? What is its remedy? (b) What happens during a wasp sting?...
By Deepak Rock, 4 years ago
replies 1
0
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413
Explain the pH change as the cause of tooth decay. How can tooth decay caused by pH change...
By Deepak Rock, 4 years ago
replies 1
0
1
147
Which chemical is injected into the skin of a person: (a) during an ant’s sting? (b) durin...
By Deepak Rock, 4 years ago
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307
What is a universal indicator? For what purpose is it used? (b) How does a universal indic...
By Deepak Rock, 4 years ago
replies 1
0
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112
Fresh milk has a pH of 6. When it changes into curd (yogurt), will its pH value increase o...
By Deepak Rock, 4 years ago
replies 1
0
1
127
Acids have a pH………… than 7. (b) Alkalis have a pH………. than 7. (c) Neutral substances have ...
By Deepak Rock, 4 years ago
replies 1
0
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358
Two solutions X and Y have pH = 4 and pH = 8, respectively. Which solution will give alkal...
By Deepak Rock, 4 years ago
replies 1
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