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Firuza
Subject: Science
, asked on 21/5/18
What is calcium hydroxide
Answer
1
Prasad Pargi
Subject: Science
, asked on 18/5/18
Q.108. Number of gm of oxygen in 32.2 g
N
a
2
S
O
4
.
10
H
2
O
is
(a) 20.8
(b) 22.4
(c) 2.24
(d) 2.08
Answer
1
Nitya Singh
Subject: Science
, asked on 7/5/18
Lactic acid is in
Q.
Lactic acid is in ?
Answer
2
Anuvab Das
Subject: Science
, asked on 7/5/18
What is atomicity, valence? (exact definition)
Answer
1
Ansh Agarwal
Subject: Science
, asked on 29/4/18
Neutralisation reaction is a
A] physical and reversible change
B] physical change that cannot be reversed
C] chemical and reversible change
D] chemical
Answer
1
Ansh Agarwal
Subject: Science
, asked on 29/4/18
When the soil is too basic , plants do not grow well in it . To improve its quality what must be added to the soil
A] Organic Matter
B] Quick Lime
C ] Slaked Lime
D ] Calamine Solution
Answer
1
Ansh Agarwal
Subject: Science
, asked on 29/4/18
The correct way of making a solution of acid in water is to
A] add water to acid
B] add acid to water
C] mix acid and water simultaneously
D] add water to acid in shallow container
Answer
1
Ansh Agarwal
Subject: Science
, asked on 29/4/18
What are strong acids and weak acids ? What are strong Bases and weak Bases?
Answer
1
Ansh Agarwal
Subject: Science
, asked on 29/4/18
What are the uses of the following of the following bases?
A] NaOH/KOH
B] NaHCO3
C] Ca[OH]
2
D] Mg [OH]
2
Answer
1
Ansh Agarwal
Subject: Science
, asked on 29/4/18
What are the sources from which you obtain the following acids
A] Citric Acid
B] Acetic Acid
C] Oxalic Acid
D] Maleic Acid
E] Formic Acid
F] Tartaric Acid
G] Lactic Acid
H] Ascorbic Acid
Answer
1
Ansh Agarwal
Subject: Science
, asked on 29/4/18
What will be the colour change when litmus in distilled water a solution or drop of KOH solution in litmus solution .
Answer
1
Kanishka Gupta
Subject: Science
, asked on 16/3/18
Explain the formation of acid rain. How is it harmful
Answer
2
Diya Shukla
Subject: Science
, asked on 7/3/18
how to separate a mixture of sawdust and powdered salt.
Answer
1
Yug Shah
Subject: Science
, asked on 4/3/18
Can we eat all bases?
Answer
1
Nikhil Bokil
Subject: Science
, asked on 3/3/18
Sir baking soda is type of salt.It is not base nor acid.
Answer
1
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Next
What are you looking for?
(a) 20.8
(b) 22.4
(c) 2.24
(d) 2.08
Q. Lactic acid is in ?
A] physical and reversible change
B] physical change that cannot be reversed
C] chemical and reversible change
D] chemical
A] Organic Matter
B] Quick Lime
C ] Slaked Lime
D ] Calamine Solution
A] add water to acid
B] add acid to water
C] mix acid and water simultaneously
D] add water to acid in shallow container
A] NaOH/KOH
B] NaHCO3
C] Ca[OH]2
D] Mg [OH]2
A] Citric Acid
B] Acetic Acid
C] Oxalic Acid
D] Maleic Acid
E] Formic Acid
F] Tartaric Acid
G] Lactic Acid
H] Ascorbic Acid