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Scientist 😍😍
Subject: Science
, asked on 12/11/17
Write chemical equation for the following reactions; (a) Acetic acids reacts with calcium hydroxide
Answer
1
Scientist 😍😍
Subject: Science
, asked on 12/11/17
Write chemical equation for the following reactions; (a) Calcium hydroxide reacts with nitric acids
Answer
1
Scientist 😍😍
Subject: Science
, asked on 12/11/17
Classify the following salts as neutral,acidic or basic.Also,write their names. (a) Na3PO4 (b) K2CO3 (c) NH4NO3
Answer
2
Damaraju Venkata Nagendra
Subject: Science
, asked on 10/11/17
Ans28
Answer
1
Damaraju Venkata Nagendra
Subject: Science
, asked on 8/11/17
Ans32
Answer
1
Damaraju Venkata Nagendra
Subject: Science
, asked on 8/11/17
Ans25
Answer
2
Damaraju Venkata Nagendra
Subject: Science
, asked on 7/11/17
Q.4. Study the given table carefully.
Which of the above observations are correct?
(A) (i) and (iii) only
(B) (ii) and (iv) only
(C) (i), (ii) and (iii) only
(D) (i), (iii) and (iv) only
Answer
1
Damaraju Venkata Nagendra
Subject: Science
, asked on 7/11/17
Ans8
Q8. Observe the given figure carefully and choose the incorrect statement (s) .
1. Large volume of acid should be added to a small volume of water slowly.
2. The figure represents the process of concentrating dilute H
2
SO
4
.
3. The process involves released of a large amount of heat.
4. Water should not be stirred.
Answer
3
Damaraju Venkata Nagendra
Subject: Science
, asked on 7/11/17
17. Study the given Venn diagram carefully.
Verify 1
(A)
Do not react with metals
React with litmus
Do not react with carbonates
(B)
Are sour in taste
React with carbonates
Are soapy to touch
(C)
Have OH>
H
2
Have OH >
H
2
Have
H
2
> OH
(D)
React with carbonates to form C
O
2
gas
Can be identified by using indicators
Turn China rose indicator green
Answer
3
Adithya Sudhakar
Subject: Science
, asked on 5/11/17
does neutralization reaction always result in neutral salt?
Answer
1
Adithya Sudhakar
Subject: Science
, asked on 5/11/17
write a note on ph strips
Answer
1
Adithya Sudhakar
Subject: Science
, asked on 5/11/17
what is aqua regia?why is it called royal water?
Answer
1
Ashmit
Subject: Science
, asked on 28/10/17
Can you give details for brain byte and how to log in for it and what type of questions will be coming . And pls customer care do not reply that to ask these type of questions use feedback or email. They don't reply.
Answer
2
Anandh True
Subject: Science
, asked on 23/10/17
which is the most concentrated acid sulphuric or hydrochloric acid?
Answer
1
Ahana Chakrabarty
Subject: Science
, asked on 21/10/17
how can we classify acid on basis of water content in it ????
Answer
4
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What are you looking for?
Which of the above observations are correct?
(A) (i) and (iii) only
(B) (ii) and (iv) only
(C) (i), (ii) and (iii) only
(D) (i), (iii) and (iv) only
Q8. Observe the given figure carefully and choose the incorrect statement (s) .
1. Large volume of acid should be added to a small volume of water slowly.
2. The figure represents the process of concentrating dilute H2SO4.
3. The process involves released of a large amount of heat.
4. Water should not be stirred.
Verify 1