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👍3🔥2
Which one of the following salts does not con-tain water of crystallisation?
Anonymous Quiz
26%
Blue vitrol
32%
Baking soda
30%
Gypsm
12%
Washing soda
👏4👍3
At what temperature is gypsum heated to form Plaster of Paris?
Anonymous Quiz
16%
90
47%
100
25%
110
12%
None
👍8
How many water molecules does hydrated cal-cium sulphate contain?
Anonymous Quiz
17%
5
40%
10
23%
7
20%
2
🔥5❤🔥4🤔4👍2
Nettle sting is a natural source of which acid?
Anonymous Quiz
29%
Metiwanoic acid
38%
Citric acid
28%
Oxalic acid
5%
None
👀9❤🔥1
🤩7👍3😱2😁1
🔥 Join AARAMBH 2.0 🔥
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Semi English K Liye Social Study Marathi Mein Padhya Jayega…..
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A non-metal used to preserve food material is:
Anonymous Quiz
24%
Carbon
24%
Phosphorous
45%
Nitrogen
7%
Oxygen
👍7
When calcium oxide is added to water, it completely dissolves in water without forming bubbles. What products are formed in this reaction?
Anonymous Quiz
23%
Cao
60%
Ca(oh)2
11%
So3
5%
None
👍9🥰3🤔3👏1
Aqua regia is a freshly prepared mixture of concentrated HNO3 and concentrated HCl in the ratio of:
Anonymous Quiz
46%
1:3
31%
2:5
19%
3:4
4%
2:7
👍11😢7👏4