Which of the following statement(s) is//...

Which of the following statement(s) `is//are` correct

A

Mass of one ca atom is `6.64xx10^(-23) g`

B

Volume of 18 g `H_(2)O` at 1 atm pressure and 273 K temperature is 22.4 L

C

Number of oxygen atoms in

D

`C_(4)H_(6)O_(2)` sample is 2, if this sample has 6 g atom hydrogen

Text Solution

Verified by Experts

The correct Answer is:

A

Doubtnut Promotions Banner Desktop Dark

Doubtnut Promotions Banner Mobile Dark

|

Topper's Solved these Questions

TEST PAPER
ALLEN |Exercise MATHS|82 Videos
TEST PAPER
ALLEN |Exercise MATHEMATICS|34 Videos
TEST PAPER
ALLEN |Exercise CHEMISTRY SECTION-II|16 Videos
SEQUENCE AND PROGRESSION
ALLEN |Exercise Exercise (JA)|10 Videos
TEST PAPERS
ALLEN |Exercise MATHEMATICS|136 Videos

Similar Questions

Explore conceptually related problems

Which of the following statements is // are correct ?

Consider two complex number z and omega satisfying |z|= 1 and |omega-2|+|omega-4|=2 . Then which of the following statements(s) is (are) correct?

Knowledge Check

For the reduction of Feo at the temperature corresponding to point D, which of the following statements is correct?

A

`DeltaG^(@)` value for the overall reduction reaction with carbon monoxide is zero.

B

`DeltaG^(@)` value for the overall reduction reaction with a mixture of 1 mol carbon and 1 mol oxygen is positive.

C

`DeltaG^(@)` value for the overall reduction reaction with a mixture of 2 mol carbon and 1 mol oxygen will be positive.

D

`DeltaG^(@)` value for the overall reduction reaction with carbon monoxide is negative.

Which of the following statements is correct ?

A

Hydrides of group 13 act as Lewis acids.

B

Hydrides of group 14 are electron deficient hydrides.

C

Hydrides of group 14 act as Lewis acids.

D

Hydrides of group 15 act as Lewis bases.

Which of the following statements is correct ?

A

Parthenium is an endemic species of our country.

B

African catfish is not a threat to indigenous catfishes.

C

Steller's sea cow is an extinct animal.

D

Lantana is popularly known as carrot grass.

Similar Questions

Explore conceptually related problems

Which of the following statements is/are correct?

For the electrons of oxygen atom, which of the following statements is correct ?

For 3xx3 matrices Ma n dN , which of the following statement (s) is (are) NOT correct ?

Which of the following statements is correct ?

Which of the following statements is correct ?

ALLEN -TEST PAPER-Chemistry

Which of the following statement(s) is//are correct
07:35
|
Which fo the following is heavier than 1 gm molecules oxygen?
02:52
|
Which of the following is//are correct order of bond angle:
09:27
|
which of the following statement is//are correct?
07:29
|
Which of the following molecule is//are polar and non planar?
04:45
|
Which of the following statement is//arecorrect?
02:51
|
calculate number of moles of HNO(3) in 126 amu of HNO(3)?
02:42
|
Calculate total charge present on 9.6 g of SO(1)^(-2) ion?
02:03
|
The ovules of Pinus are present on
02:03
|
If A(g)^(-)rarrA(g)^(+2)+3e^(-), triangleH(2)=550 kj//mol^(-1) then EG...
05:21
|
An oxide of certain element 'X' is x(4)O(6) has (400)/(7)% by mass of...
01:54
|
Vapour density of an ideal gas which has a density 2.16 g//L at 1.12 a...
04:37
|
Find the maximum bumber of electron in Cr havin m=0?
01:29
|
Find number of plane havin maximum number of atoms in CD(4)?
08:51
|
BF(3)+NH(3)rarrProduct A Total number of lone pair present in produc...
01:25
|
Total number of species which use d -orbital in their bonding SO(2),...
03:06
|
Total number of species which have co-ordinate bond N(2)O(5),XeF(6),NH...
07:26
|
Number of compounds having S-S linkage H(2)S(2)O(3),H(2)S(2)O(78),H(...
08:29
|
Let a point P lies inside an equilateral triangle ABC such that its...
04:01
|
If F(x)=Ax^(2)+Bx+C,and F(x) is integer when x is integer then
02:29
|