Home
Class 6
CHEMISTRY
A pure substance consists of only one ki...

A pure substance consists of only one kind of atom or ………….molecule.

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PURE SUBSTANCES & MIXTURES; SEPARATION OF MIXTURES

    ICSE|Exercise Objective Type Questions (Multiple Choice Question)|9 Videos

  • PURE SUBSTANCES & MIXTURES; SEPARATION OF MIXTURES

    ICSE|Exercise Objective Type Questions (Give one word)|5 Videos

  • PURE SUBSTANCES & MIXTURES; SEPARATION OF MIXTURES

    ICSE|Exercise Objective Type Questions (Fill in the blanks)|10 Videos

  • MIXTURES AND THEIR SEPARATION

    ICSE|Exercise Think and answer |5 Videos

  • TEST PAPER -2 (CHAPTERS 4 TO 6)

    ICSE|Exercise Exercises (Answer the following in detail) |5 Videos

Similar Questions

Explore conceptually related problems

____ consists of only one kind of particles.

All pure substances have

Knowledge Check

  • Pure water consists almost entirely of ……………

    A
    ions
    B
    atoms
    C
    ions and molecules
    D
    molecules

  • O_(2) molecules consists of two oxygen atoms. In the molecules , nuclear force between the nuclei of the two atoms

    A
    is not important because nuclear forces are short-ranged.
    B
    is as important as electrostatic force for binding the two atoms
    C
    cancels the repulsive electrostatic force between the nuclei
    D
    is not important because oxygen nucleus has equal number of neutrons and protons.

    • Similar Questions

    Explore conceptually related problems

    A seed consists of only an embryo.

    Which of the following statements are true for pure substances? (i) Pure substances contain only one kind of particles. (ii) Pure substances may be compounds or mixtures. (iii) Pure substances have the same composition throughout. (iv) Pure substance can be exemplified by all elements other than nickel.

    Which of the following statement is/are correct? (i) An element of a substance contains only one kind of atoms. (ii) In CO2, carbon and oxygen chemically combined in a fixed proportion of 3 : 8 by mass. (iii) The constituents of the pure substances can be separated by simple physical methods. (iv) Milk is a homogeneous mixture.

    A certain substance contains only carbon and hydrogen and its molecular mass is 70. Photochlorination gave only one monochloride. Write the structure and the IUAC name of the substance and its monochloride.

    Cortisone is a molecular substance substance containing 21 atoms of carbon per molecule. The mas percentage of carbon in cortisone is 69.98% . Its molar mass is :

    Give one example in substance which contains : both ions and molecules.

    Home
    Profile