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Shachi
Subject: Science
, asked on 10/5/18
When a banana is left outside for few days there is a change in its colour i.e. there are black patches on its surface . this is a kind of chemical change . since there is a change in physical appearence also does that mean a chemical change can also bring physical change ???
Answer
3
Omza Tripathi
Subject: Science
, asked on 8/5/18
What is the use of sodium metabisulphite
Answer
3
Riddhi Siddhi
Subject: Science
, asked on 6/5/18
Milk is a ____solution but vinegar is a ____solution
Answer
1
Sujal Kumar Thakur
Subject: Science
, asked on 30/4/18
why an egg becomes solid from liquid by heating
Answer
3
Nikhil Bansal
Subject: Science
, asked on 29/4/18
Does water has air or not ?????
Answer
2
Swastik Sharma
Subject: Science
, asked on 22/4/18
Experts please answer my question
Liquid
Bulb/LED glows/
doesn't glow
Good conductor/
poor conductor
1.
Lime juice
2.
Tap water
3.
Distilled water
4.
Orange Juice
5.
Tomato juice
6.
Vinegar
7.
Vegetable oil
8.
Glycerine
9.
Hair oil
Answer
1
Hermione Granger
Subject: Science
, asked on 12/4/18
Define colloidal solution in short....no links please I want 1 perfect answer
Answer
1
Moneeshka
Subject: Science
, asked on 28/3/18
Why solder is a homogeneous mixture
Answer
1
Prithika
Subject: Science
, asked on 23/3/18
2nd last q solution pl
Q. For preparing 0.1 M solution of H
2
SO
4
in one litre, we need H
2
SO
4
.
(A) 9.8 g (B) 4.9 g
(C) 49.0 g (D) 0.98 g
2nd last q solution pl
Answer
1
Janhavi Giri
Subject: Science
, asked on 21/3/18
Can you solve Q 6,7&8 please fast
Answer
1
Apurva Kumari
Subject: Science
, asked on 20/3/18
Classify the given substances as true solutions, colloidal solution and suspension:
(a) blood (b) pure milk (c) common salt solution (d) syrup
Answer
1
Aryan Shandilya
Subject: Science
, asked on 17/3/18
Is tincture of iodine a heterogeneous mixture???
Answer
1
Vaishnavi G
Subject: Science
, asked on 16/3/18
write the methods of separation of each homogenous heterogenous suspension and collodial substaces
Answer
2
Prithika
Subject: Science
, asked on 16/3/18
Please answer
Ques. 73 -
K
2
S
O
4
.
A
l
2
S
O
4
3
.
24
H
2
O
is known as Potash alum. It's aqueous solution does not show the properties of -
1)
K
+
Ion
2)
A
l
3
-
Ion
3)
S
O
4
2
-
Ion
4)
O
2
-
Ion
Answer
1
Prithika
Subject: Science
, asked on 16/3/18
pl ans q62 with explanation
Answer
3
1
2
3
4
5
Next
What are you looking for?
doesn't glow
poor conductor
Q. For preparing 0.1 M solution of H2SO4 in one litre, we need H2SO4.
(A) 9.8 g (B) 4.9 g
(C) 49.0 g (D) 0.98 g 2nd last q solution pl
(a) blood (b) pure milk (c) common salt solution (d) syrup
is known as Potash alum. It's aqueous solution does not show the properties of -
1) Ion
2) Ion
3) Ion
4) Ion