Sblock Elements
- sblock Elements 1 Question 21
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- sblock Elements 1 Question 1
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- sblock Elements 1 Question 2
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- sblock Elements 1 Question 20
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- sblock Elements 1 Question 36
- sblock Elements 1 Question 30
- sblock Elements - Result Question 10
- sblock Elements 1 Question 11
- sblock Elements 1 Question 12
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- sblock Elements 1 Question 14
- sblock Elements 1 Question 17 — JEE PYQ Chapterwise
- sblock Elements 1 Question 15 — JEE PYQ Chapterwise
- sblock Elements 2 Question 16
- sblock Elements 1 Question 18 — JEE PYQ Chapterwise
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- sblock Elements 1 Question 16 — JEE PYQ Chapterwise
- sblock Elements 2 Question 17
- sblock Elements 1 Question 17 — JEE PYQ Chapterwise
- sblock Elements 2 Question 19 — JEE PYQ Chapterwise
- sblock Elements 1 Question 18 — JEE PYQ Chapterwise
- sblock Elements 2 Question 20 — JEE PYQ Chapterwise
- sblock Elements 2 Question 19 — JEE PYQ Chapterwise
- sblock Elements 2 Question 20 — JEE PYQ Chapterwise
- sblock Elements 2 Question 22
- sblock Elements 2 Question 23
- sblock Elements - Result Question 27
- sblock Elements - Result Question 28
- sblock Elements - Result Question 29
- sblock Elements - Result Question 30
- sblock Elements 1 Question 15 — JEE PYQ Chapterwise
- sblock Elements - Result Question 31
- sblock Elements - Result Question 32
- sblock Elements 1 Question 16 — JEE PYQ Chapterwise
- sblock Elements - Result Question 33
- sblock Elements - Result Question 34
- sblock Elements - Result Question 35
- sblock Elements - Result Question 36
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- sblock Elements - Result Question 63
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- sblock Elements - Result Question 65
- sblock Elements - Result Question 66
- sblock Elements 1 Question 35
- sblock Elements - Result Question 67
- sblock Elements - Result Question 68
- sblock Elements - Result Question 69
- sblock Elements - Result Question 70
- sblock Elements - Result Question 71
- sblock Elements - Result Question 72
- sblock Elements 2 Question 1 — JEE PYQ Chapterwise
- sblock Elements 2 Question 2
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- sblock Elements 2 Question 10
- sblock Elements 2 Question 1 — JEE PYQ Chapterwise
- sblock Elements 2 Question 12
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- sblock Elements 2 Question 15
- sblock Elements 2 Question 18
sblock Elements - Result Question 67
20. $MgCl_2 \cdot 6 H_2 O$ on heating gives anhydrous $MgCl_2$.
$(1982,1 M)$
Subjective Questions
Show Answer
Answer:
Correct Answer: 20. $F$
Solution:
- $\mathbf{M g}$ can form basic carbonate while $\mathbf{M n}$ cannot.
$5 Mg^{2+}+6 CO_3^{2-}+7 H_2 O \longrightarrow 4 MgCO_3 \cdot Mg(OH)_2$
$$ · 5 H_2O + 2 HCO_3^{-} $$
BETA
