Home
Class 12
CHEMISTRY
The answer to each of the following ques...

The answer to each of the following question is a single digit integer, ranging from 0 to 9. If the correct answers to the question numbers A, B, C and D (say) are 4, 0, 9 and 2 respectively, then the correct darkening of bubbles should be as shown on the side:

`The number of metalloids present in the following elements is tin, lead, arsenic, palladium, anitmony, tungsten, bismuth, osmium, lanthanum

Text Solution

Verified by Experts

The correct Answer is:
3
Arsenic, antinony and bismuth are metalloids.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    PRADEEP|Exercise Competition (FOCUS) JEE (Main and Advanced)/Medical Entrance SPECIAL (VII. Numerical Value Type Questions)|1 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    PRADEEP|Exercise Competition (FOCUS) JEE (Main and Advanced)/Medical Entrance SPECIAL (VIII. Assertion-Reason Type Questions)(Type I)|4 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    PRADEEP|Exercise Competition (FOCUS) JEE (Main and Advanced)/Medical Entrance SPECIAL (V. Matrix-Match Type Questions)|2 Videos

  • SOLUTIONS

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|31 Videos

  • SURFACE CHEMISTRY

    PRADEEP|Exercise IMPORTANT QUESTIONS (FOR BOARD EXAMINATION)|28 Videos

Similar Questions

Explore conceptually related problems

The answer to each of the following questions is a single digit integer ranging from 0 to 9. It the correct answers to the questions numbers A, B, C and S (say ) are 4, 0,9 and 2 respectively thent the correct darkening of bubbles should be us shown on the side : Total number of elements present in the 2nd short period is

The answer to each of the following questions is a single digit integer, ranging from 0 to 9. If the correct answers to the qustion numbers A,B,C and D (say) are 4,0,9 and 2 respectively, then the correct darkening of bubbles should be as shown on the side : Oxidation state of Cr in CrO_(5) is

Knowledge Check

  • The answer to each of the following question is a single digit integer, ranging from 0 to 9. if the correct answers to the question number A,B,C and D (say ) are 4,0,9 and 2 respectively. Then the correct correct darkening of bubbles should be as shown on the side.

    A
    In Mg-Al cell, the number of electrons involved in the cell reaction i s
    B
    0.25 mole of propane is subjected to combustion. If this reaction is used for making a fuel, cell the number of moles of electrons involved in each half cell for this amount of propane will be
    C
    Three litres of 0.5M `K_(2)Cr_(2)O_(7)` solution have to be completely reduced in the acidic medium. The number of faradays of electricity required will be
    D
    For the Mg-Ag cell, how many times the difference between the EMF of the cell and its standard EMF will change if concentration of `Mg^(2+)` ions changed to 0.1M and that of `Ag^(+)` ions is changed from 0.5M to 0.25M.

    • Similar Questions

    Explore conceptually related problems

    The answer to each of the following questions is a single digit integer ranging from 0 to 9. It the correct answers to the questions numbers A, B, C and S (say ) are 4, 0,9 and 2 respectively thent the correct darkening of bubbles should be us shown on the side : The number of groups which constitute p- block elements is // are

    The answer to each of the following questions is a single digit integer, ranging from 0 to 9. If the correct answers to the qustion numbers A,B,C and D (say) are 4,0,9 and 2 respectively, then the correct darkening of bubbles should be as shown on the side : Th enumber of electrons present in the 4f-subshell ofTerbium ( atomic no. = 65) is

    The answer to each of the following questions is a single digit integer ranging from 0 to 9. It the correct answers to the questions numbers A, B, C and S (say ) are 4, 0,9 and 2 respectively thent the correct darkening of bubbles should be us shown on the side : How many series of elements constitute f- block elements

    The answer to each of the following questions is a single digit integer, ranging from 0 to 9. If the correct answers to the qustion numbers A,B,C and D (say) are 4,0,9 and 2 respectively, then the correct darkening of bubbles should be as shown on the side : The number of metals collectively called 'platinum metals ' in the transiton elements is

    The answer to each of the following questions is a single digit integer, ranging from 0 to 9. If the correct answers to the qustion numbers A,B,C and D (say) are 4,0,9 and 2 respectively, then the correct darkening of bubbles should be as shown on the side : The highest oxidationstate shown by any transition element is

    The answer to each of the following questions is a single digit integer ranging from 0 to 9. It the correct answers to the questions numbers A, B, C and S (say ) are 4, 0,9 and 2 respectively thent the correct darkening of bubbles should be us shown on the side : How many period are present in the Long form of the periodic table

    The answer to each of the following questions is a single digit integer ranging from 0 to 9. It the correct answers to the questions numbers A, B, C and S (say ) are 4, 0,9 and 2 respectively thent the correct darkening of bubbles should be us shown on the side : On the Pauling scale the electronegativity of fluorine is.

    Home
    Profile