In a chemical reaction between sulphuric acid and barium chloride solution the white precipitates formed are of:
Anonymous Quiz
17%
Hcl
62%
Barium sulphate
14%
Chlorine
7%
Sulphur
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It is necessary to balance a chemical equation in order to satisfy the law of:
Anonymous Quiz
13%
Motion
21%
Momentum
20%
Energy
46%
Masss
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When ferrous sulphate is heated strongly it undergoes decomposition to form ferric oxide as a main product accompanied by a change in colour from:
Anonymous Quiz
30%
Blue to green
31%
Green to blue
30%
Green to brown
10%
Green to yellow
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The neutralization reaction between an acid and a base is a type of:
Anonymous Quiz
23%
Displacement
41%
Double displacement
22%
Addidation
14%
Decomposition
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Forwarded from Shubham Jha - Class 9
YouTube
Class 10 History | Chapter 1 | Historiography: Development in the West 10th Maharashtra Board
In this video, you will learn chapter 1 from class 10 History of Maharashtra State Board SSC. In this video, you will learn all the concepts from this chapter. Notes of this chapter will be made available on our telegram channel and after learning from the…
The non-metal which is liquid at room temperature is:
Anonymous Quiz
51%
Mercury
19%
Helium
25%
Bromine
4%
Silver
👍12
The number of protons in an atom of an element A is 19 then, the number of electron in its ion A+ is:
Anonymous Quiz
12%
16
51%
18
32%
20
5%
22
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The sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as
Anonymous Quiz
33%
Roasting
31%
Smelting
25%
Calcination
11%
Refining
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In electrolytic refining, the cathode is made up of
Anonymous Quiz
42%
Pure metal
23%
Impure metal
26%
Alloy
8%
Mettalic salt
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Magnesium ribbon is rubbed before burning because it has a coating of
Anonymous Quiz
20%
Magnesium sulphide
24%
Magnesium chloride
46%
Magnesium oxide
10%
Magnesium carbonate
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