The formula of borax is
- A$Na_2 B_4 O_7 \cdot 5 H_2 O$
- B$Na_2 B_4 O_7 \cdot 7 H_2 O$
- C$Na_2 B_4 O_7 \cdot 10 H_2 O$
- D$Na_2 B_4 O_7 \cdot 2 H_2 O$
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The element that has the least metallic character is ..........
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View SolutionIn the borax bead test,which of the following compounds is formed?
MediumAIPMT 2002
View SolutionMatch the following compounds in List-$I$ with their uses in List-$II$:
List-$I$ (Compounds) List-$II$ (Uses) $A$. Boron-$10$ $I$. Antiseptic $B$. Borax $II$. Bullet proof vest $C$. Boron-fibre $III$. Neutron absorber $D$. Orthoboric acid $IV$. Heat resistance glasses
| List-$I$ (Compounds) | List-$II$ (Uses) |
| $A$. Boron-$10$ | $I$. Antiseptic |
| $B$. Borax | $II$. Bullet proof vest |
| $C$. Boron-fibre | $III$. Neutron absorber |
| $D$. Orthoboric acid | $IV$. Heat resistance glasses |
$H_3BO_3 + H_2O_2 \to H_2O + 'X' \xrightarrow{NaOH} 'Y'$
Which of the following statements is/are correct for $'Y'$?
Which of the following statements is/are correct for $'Y'$?
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View SolutionWhich of the following statements is correct regarding boron hydrides?
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