Boron and its Compounds
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CHXI11:THE P-BLOCK ELEMENTS

316050 In borax bead test which compound is formed?

1 Ortho-borate
2 Meta-borate
3 Double oxdie
4 Tetra-borate
CHXI11:THE P-BLOCK ELEMENTS

316051 Borax bead test is given by

1 All divalent metals
2 All heavy metals
3 All light metals
4 Metals which form coloured metaborates.
CHXI11:THE P-BLOCK ELEMENTS

316052 The mineral from which borax is prepared is

1 Sylvine
2 Colemanite
3 Bauxite
4 Boracite
CHXI11:THE P-BLOCK ELEMENTS

316053 When a nickel salt is heated with boric anhydride, a brown coloured bead is formed which is due to the formation of

1 \(\mathrm{Ni}_{2} \mathrm{~B}_{4} \mathrm{O}_{7}\)
2 \(\mathrm{NiO}\)
3 \(\mathrm{Ni}\left(\mathrm{BO}_{2}\right)_{2}\)
4 \(\mathrm{Ni}\)
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CHXI11:THE P-BLOCK ELEMENTS

316050 In borax bead test which compound is formed?

1 Ortho-borate
2 Meta-borate
3 Double oxdie
4 Tetra-borate
CHXI11:THE P-BLOCK ELEMENTS

316051 Borax bead test is given by

1 All divalent metals
2 All heavy metals
3 All light metals
4 Metals which form coloured metaborates.
CHXI11:THE P-BLOCK ELEMENTS

316052 The mineral from which borax is prepared is

1 Sylvine
2 Colemanite
3 Bauxite
4 Boracite
CHXI11:THE P-BLOCK ELEMENTS

316053 When a nickel salt is heated with boric anhydride, a brown coloured bead is formed which is due to the formation of

1 \(\mathrm{Ni}_{2} \mathrm{~B}_{4} \mathrm{O}_{7}\)
2 \(\mathrm{NiO}\)
3 \(\mathrm{Ni}\left(\mathrm{BO}_{2}\right)_{2}\)
4 \(\mathrm{Ni}\)
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CHXI11:THE P-BLOCK ELEMENTS

316050 In borax bead test which compound is formed?

1 Ortho-borate
2 Meta-borate
3 Double oxdie
4 Tetra-borate
CHXI11:THE P-BLOCK ELEMENTS

316051 Borax bead test is given by

1 All divalent metals
2 All heavy metals
3 All light metals
4 Metals which form coloured metaborates.
CHXI11:THE P-BLOCK ELEMENTS

316052 The mineral from which borax is prepared is

1 Sylvine
2 Colemanite
3 Bauxite
4 Boracite
CHXI11:THE P-BLOCK ELEMENTS

316053 When a nickel salt is heated with boric anhydride, a brown coloured bead is formed which is due to the formation of

1 \(\mathrm{Ni}_{2} \mathrm{~B}_{4} \mathrm{O}_{7}\)
2 \(\mathrm{NiO}\)
3 \(\mathrm{Ni}\left(\mathrm{BO}_{2}\right)_{2}\)
4 \(\mathrm{Ni}\)
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CHXI11:THE P-BLOCK ELEMENTS

316050 In borax bead test which compound is formed?

1 Ortho-borate
2 Meta-borate
3 Double oxdie
4 Tetra-borate
CHXI11:THE P-BLOCK ELEMENTS

316051 Borax bead test is given by

1 All divalent metals
2 All heavy metals
3 All light metals
4 Metals which form coloured metaborates.
CHXI11:THE P-BLOCK ELEMENTS

316052 The mineral from which borax is prepared is

1 Sylvine
2 Colemanite
3 Bauxite
4 Boracite
CHXI11:THE P-BLOCK ELEMENTS

316053 When a nickel salt is heated with boric anhydride, a brown coloured bead is formed which is due to the formation of

1 \(\mathrm{Ni}_{2} \mathrm{~B}_{4} \mathrm{O}_{7}\)
2 \(\mathrm{NiO}\)
3 \(\mathrm{Ni}\left(\mathrm{BO}_{2}\right)_{2}\)
4 \(\mathrm{Ni}\)