Element X forms a chloride with the formula XCl2, which is solid with a high melting point. X would most likely be in the same group of the Periodic Table as:
Anonymous Quiz
50%
Na
36%
Mg
10%
Al
4%
Si
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Which of the following elements has 2 shells, and both are completely filled?
Anonymous Quiz
31%
Helium
18%
Boron
45%
Neon
6%
Calcium
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Aqua regia is a freshly prepared mixture of concentrated HNO3 and concentrated HCl in the ratio of:
Anonymous Quiz
57%
1:3
19%
2:4
16%
3:2
8%
None
🔥8❤5🥰5👍4😱4🤔1🎉1
Give the ratio in which hydrogen and oxygen are present in water by volume
Anonymous Quiz
36%
1:2
49%
2:1
11%
1:3
4%
None
👍16🎉6❤4🔥2🤩2👎1
pH value less than 7 indicates that the solution is –
Anonymous Quiz
55%
Acidic
27%
Basic
17%
Neutral
1%
None
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Forwarded from Shubham Jha - Class 11 & 12 (Shubham Jha)
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If yes,
I have an essential question📝 to ask.
What if you FORGET 😭during those IMPORTANT 3 hrs🕒 of EXAM?
Being an educator👨🏫 for the last 8 years I can say from my experience that students👩🎓 don't score fewer marks because they don't study📚✏️.
But they do scoreless because they FORGET during EXAM hours🕒⌚️.
Either you are a student, teacher, or parent, and if you agree with me.
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SCIENTIFIC👨🔬 TECHNIQUES👨🔧 OF SMART👍 LEARNING🧠
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Date
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Time
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Educator | Memory Coach
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Link - https://wygei.courses.store/289695
👍8
The most suitable material for making the core of an electromagnet is :
Anonymous Quiz
14%
Still
54%
Iron
25%
Soft iron
8%
Hard iton
👎5👍4🥰4🔥2
Which of the following is not attracted by a magnet?
Anonymous Quiz
34%
Steel
19%
Cobalt
35%
Brass
12%
Nickel
👀16👍8❤🔥4👏3🥰2🔥1🎉1
The amount of energy that flows from one trophic level to another in a food chain is
Anonymous Quiz
23%
5%
45%
10%
26%
25%
6%
39%
🎉12👀8🥰6👍5
Which of the following is responsible for the depletion of the ozone layer
Anonymous Quiz
24%
Cfcs
27%
Oxygen
38%
So2
11%
None
👍7🥰7🔥5
👀12👍11👏2