Which of the following statements is incorrect?
1. NaHCO3 on heating gives Na2CO3
2. Pure sodium metal dissolves in liquid ammonia to give a blue solution.
3. NaOH reacts with glass to give sodium silicate
4. Aluminium reacts with excess NaOH to give Al(OH)3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following oxide is amphoteric?
1. CO2
2. SnO2
3. CaO
4. SiO2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAl2O3 can be converted to anhydrous AlCl3 by heating-
1.
2. with NaCl in solid-state
3. a mixture of and carbon in dry gas
4. with gas
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following anions is present in the chain structure silicates?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Sheet silicate
2. Pyrosilicate
3. Three dimensional silicate
4. Linear chain silicate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA compound among the following that is least likely to behave as a Lewis base is-
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe basic structural unit of silicates is :
1. SiO44–
2. SiO32–
3. SiO42–
4. SiO
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of these is not a monomer for a high molecular mass silicone polymer ?
1. Me2SiCl2
2. Me3SiCl
3. PhSiCl3
4. MeSiCl3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA compound among the following having a similar structure to graphite is -
1. B
2. B4C
3. B2H6
4. BN
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
1. Ga<ln<Al<Tl
2. Al<Ga<ln<Tl
3. Tl<ln<Ga<Al
4. ln<Tl<Ga<Al
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology