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

Subtopic: Boron Family- Preparations, Properties & Uses |

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Which of the following oxide is amphoteric?

1. CO₂

2. SnO₂

3. CaO

4. SiO₂

Subtopic: Properties of Glass, Pb & Sn compounds |

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Al₂O₃ can be converted to anhydrous AlCl₃ by heating-

1. $A l_{2} O_{3} w i t h H C l g a s$

2. $A l_{2} O_{3}$ with NaCl in solid-state

3. a mixture of $A l_{2} O_{3}$ and carbon in dry $C l_{2}$ gas

4. $A l_{2} O_{3}$ with $C l_{2}$ gas

Subtopic: Boron Family- Preparations, Properties & Uses |

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Which one of the following anions is present in the chain structure silicates?

1. $S i_{2} O_{7}^{6 -}$

2. $(S i_{2} O_{5}^{2 -}) n$

3. $(S i O_{3}^{2 -}) n$

4. $S i O_{4}^{4 -}$

Subtopic: Properties of Structure of SiO2 & Other Compounds |

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Silicate, among the following, that has only one oxygen atom of [SiO₄]^4- shared with the next unit is :

1. Sheet silicate
2. Pyrosilicate
3. Three dimensional silicate
4. Linear chain silicate

Subtopic: Carbon Family - Preparations, Properties & Uses |

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A compound among the following that is least likely to behave as a Lewis base is-
1.   ${NH}_{3}$
2.   ${BF}_{3}$
3.   ${OH}^{-}$
4.   $H_{2} O$

Subtopic: Anomalous Behaviour of B & C |

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The basic structural unit of silicates is :

1. SiO₄^4–
2. SiO₃^2–
3. SiO₄^2–
4. SiO

Subtopic: Properties of Structure of SiO2 & Other Compounds |

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Which of these is not a monomer for a high molecular mass silicone polymer ?

1. Me₂SiCl₂
2. Me₃SiCl
3. PhSiCl₃
4. MeSiCl₃

Subtopic: Properties of Structure of SiO2 & Other Compounds |

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A compound among the following having a similar structure to graphite is -

1. B
2. B₄C
3. B₂H₆
4. BN

Subtopic: Carbon Family - Preparations, Properties & Uses |

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The 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

Subtopic: Boron Family- Preparations, Properties & Uses |

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Select Chapter Topics:

Boron Family- Preparations, Properties & Uses

Anomalous Behaviour of B & C

Compounds of Boron- Preparations, Properties & Uses

Carbon Family - Preparations, Properties & Uses

Structure & Properties of Allotropes of C

Compounds of Carbon, Preparations, Properties & Uses

Properties of Structure of SiO2 & Other Compounds

Properties of Glass, Pb & Sn compounds

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

Select Chapter Topics:

Boron Family- Preparations, Properties & Uses

Anomalous Behaviour of B & C

Compounds of Boron- Preparations, Properties & Uses

Carbon Family - Preparations, Properties & Uses

Structure & Properties of Allotropes of C

Compounds of Carbon, Preparations, Properties & Uses

Properties of Structure of SiO2 & Other Compounds

Properties of Glass, Pb & Sn compounds

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Select Chapter Topics:

Boron Family- Preparations, Properties & Uses

Anomalous Behaviour of B & C

Compounds of Boron- Preparations, Properties & Uses

Carbon Family - Preparations, Properties & Uses

Structure & Properties of Allotropes of C

Compounds of Carbon, Preparations, Properties & Uses

Properties of Structure of SiO2 & Other Compounds

Properties of Glass, Pb & Sn compounds

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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Select Chapter Topics:

Boron Family- Preparations, Properties & Uses

Anomalous Behaviour of B & C

Compounds of Boron- Preparations, Properties & Uses

Carbon Family - Preparations, Properties & Uses

Structure & Properties of Allotropes of C

Compounds of Carbon, Preparations, Properties & Uses

Properties of Structure of SiO2 & Other Compounds

Properties of Glass, Pb & Sn compounds

NEET Information

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Botany Questions

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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