Home
Class 9
CHEMISTRY
From the given statements, select those ...

From the given statements, select those suitbale for graphite.
i) Is a conductor of electricity
ii) Is very hard
iii) Is non-volatile
iv) Has high thermal conductivity

Text Solution

Verified by Experts

i) Is a conductor of electricity
ii) is non-volatile
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL BONDING

    V PUBLICATION|Exercise QUESTION BANK|60 Videos
  • NON - METALS

    V PUBLICATION|Exercise QUESTION BANK|61 Videos

Similar Questions

Explore conceptually related problems

List out the characteristics properties of diamond and graphite from the properties given in the box. [ Very hard, Transparent, Grey in colour, Conductor of electricity, High thermal conductivity, lustrous, High refractive index, Used to make pencil lead]

Some statements are given below. Select those suitable for ionic compounds. a) Souble in water b) Do not conduct electricity. C)Conducts electricity in both aqeous and molten states. d) They exist in all three states.

Write the negation of the following statements and check whether the resulting statements are true. (i). Australia is a continent. (ii) There does not exist a quadrilateral which has all its sides equal. (iii) Every natural number is greater than 0 . (iv) The sum of 3 and 4 is 9

From the following statements Choose those applicable to covalent compounds. • Dissolves in organic compounds • Dissolves in water • High melting and boiling point. • Found in solid liquid and gaseous states. • Conducts electricity.

i. HF exists a dimeric molecule ie. HF has higher viscocity or high boiling point. Explain. ii. Anhydrous HCl is a bad conductor of electricity but aqueous HCl is a good conductor. iii. Fluorine gives fumes with moist air?

Consider the following statements, which of the following is/are true? i) Charge to mass ratio of canal rays are found to depend on the gas from which these originate ii) Cathode rays produce fluorescence and phosphorescence when it hit on the corresponding materials iii) J.J. Thomson's model of an atom could clearly explain "atom is electrically neutral" iv) Behaviour of canal rays in the electrical or magnetic field is opposite to that observed for cathode rays v) Charge to mass ratio of cathode rays are found to depend on the gas from which these originate

The characteristics of diamond and graphite, the crystalline allotropes of carbon are given. Classify them accordingly. i) Conducts electricity ii) Does not conduct electricity iii) Transparent iv) Used as a lubricant

From the pairs of numbers given below, pick out those whose product is a natural number or a fraction. i) sqrt3 , sqrt12 ii) sqrt3 , sqrt1.2 iii) sqrt5 , sqrt8 iv) sqrt0.5 , sqrt8

From the following choose the incorrect statement about crystalline solids. i) Melt at sharp temperature. ii) They have definite heat of fusion. iii) They are isotropic iv) They have long range order.

V PUBLICATION-MODEL QUESTION PAPER AND ANSWERS-QUESTION BANK
  1. Atomic number means the number of …......... in an atom

    Text Solution

    |

  2. Which allotrope of carbon is used as an solid lubricant?

    Text Solution

    |

  3. Which among the following substances is used for bleaching?

    Text Solution

    |

  4. Name the catalyst which reduces the decomposition of hydrogen peroxide...

    Text Solution

    |

  5. Carbon atoms have the ability to combine with each other. By what name...

    Text Solution

    |

  6. A neutralisation reaction is given NaOH + HCl rarr NaCl + H2O a) W...

    Text Solution

    |

  7. A few facts regarding a gas is given. i) It is a poisonous gas ii)...

    Text Solution

    |

  8. Reaction between metal and dilute acids are examples of displacement r...

    Text Solution

    |

  9. When sodium and chlorine take part in bond formation, they attain octe...

    Text Solution

    |

  10. From the given statements, select those suitbale for graphite. i) Is...

    Text Solution

    |

  11. Hydrogen is an important fuel for future. a) What are the chemicals ...

    Text Solution

    |

  12. Electronic configutation of elements P, Q and R are given. P= 2,1 ...

    Text Solution

    |

  13. The electronic configuration of some elements are given. (Symbols are ...

    Text Solution

    |

  14. Take 5mL of hydrogen peroxide (H2O2) solution in a test tube. Add som...

    Text Solution

    |

  15. The equation of a neutralisation reaction is given below: Ca(OH)2 + ...

    Text Solution

    |

  16. Three atoms are given: underset(11)\Na, underset(15)\P, underset(17)...

    Text Solution

    |

  17. The colour of wet flower petals is found to fade when they are droppe...

    Text Solution

    |

  18. pH values of certain substances are given. A=1, B=6, C=7, D=9, E=14 ...

    Text Solution

    |

  19. Classify the given chemical reactions into combination,displacement,de...

    Text Solution

    |

  20. Zn^0 + Cu^(2+) (SO4)2^(2-) rarr Zn^(2+) (SO4)2^(2-) + Cu^0 Analyse ...

    Text Solution

    |