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
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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
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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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Oxidation is a process which involves
Anonymous Quiz
62%
Addidation of oxygen
13%
Addition of hydrogen
11%
Remove of oxygen
13%
Remove of hydrogen
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. Give the ratio in which hydrogen and oxygen are present in water by volume.
Anonymous Quiz
17%
1:6
20%
1:4
35%
1:2
28%
1:8
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When Ag is exposed to air it gets a black coating of
Anonymous Quiz
47%
Agno3
22%
Ag2s
14%
Ags
17%
Agcl
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A substance added to food containing fats and oils is called:
Anonymous Quiz
23%
Oxidant
42%
Rancidant
10%
Coolant
25%
Antioxidant
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