Login
Subject: Science, asked on 1/2/18

What is carbyleamine reaction ?

Subject: Science, asked on 1/2/18

How or why baking powder is a mild salt?

Subject: Science, asked on 1/2/18

What is HClO3? How can 3 more atoms of oxygen join to HCl where HCl is stable???
Please clear my doubt.

Subject: Science, asked on 30/1/18

What is basicity and acidity?

Subject: Science, asked on 29/1/18

Two solutions X and Y are tested with universal indicator. Solution X turns orange whereas solution Y turns red.? state strong and weak acid with examples

Subject: Science, asked on 28/1/18

Ans the last q of this paper. Plzz fast i have exams 2moro. Dont provide any link
A metal carbonate X on heating with an acid gives a gas which when passed through a solution Y gives the carbonate again. On the other hand, a gas G that is obtained at anode during electrolysis Of brine is passed on dry Y,it gives a compound Z, used disinfecting drinking water. Identify X, Y , G and Z.

Subject: Science, asked on 27/1/18

why does a cake turn bitter when baking soda is added instead of baking powder ?

Subject: Science, asked on 27/1/18

Does caso4.2h2o contain Water of crystallisation and is it a hydrated salt

Subject: Science, asked on 27/1/18

Does ca(oh)2 .2h2o contain water of crystallisation and is it a hydrated salt?

Subject: Science, asked on 27/1/18

In the reaction of zinc granule and sulphuric acid , if we use concentrated sulphuric acid in place of dilute sulphuric acid. What will be our observations. ? Plzzz fast I have exams tomorrow.

Subject: Science, asked on 26/1/18

I didnt understand in the question THE LAST LINE:
WHY DOES IT SHOW SUCH BEHAVIOUR?
Q.5. A sulphate salt of Group 2 element of the Periodic Table is a white, soft substance, which can be moulded into different shapes by making its dough. When this compound is left in open for some time, it becomes a solid mass and cannot be used for moulding purposes. Identify the sulphate salt and why does it show such a behaviour? Give the reaction involved.

Subject: Science, asked on 26/1/18

Qustion in the pic, thank you!
Q. For making cake, baking powder is taken. If at home your mother uses baking soda instead of baking powder in cake,
(a) how will it affect the taste of the cake and why?
(b) how can baking soda be converted into baking powder?
(c) what is the role of tartaric acid added to baking soda?

Subject: Science, asked on 26/1/18

Q1. Long answer type in the pic:

Subject: Science, asked on 25/1/18

what is universal indicator and give a few examples of universal indicator

Subject: Science, asked on 22/1/18

Q.1. Why calcium metal after reaction with water starts floating on its surface?

56789
What are you looking for?