Chemistry-
General
Easy
Question
(A) If two compounds have the same empirical formula but different molecular formula, they have same vapour density.
(R) g/mL is the unit of vapour density.
- If both (A) and (R) are correct and (R) is the correct explanation of (A).
- If both (A) and (R) are correct but(R) is not the correct explanation of (A).
- If (A) is correct but (R) is incorrect.
- If both (A) and (R) are incorrect.
The correct answer is: If both (A) and (R) are incorrect.
Related Questions to study
Chemistry-
The desiccants used for absorbing water during Liebig's method for estimation of carbon and hydrogen are:
The desiccants used for absorbing water during Liebig's method for estimation of carbon and hydrogen are:
Chemistry-General
Chemistry-
Formula which represents a simple ratio of atoms of different elements present in a molecule of the substance is called:
Formula which represents a simple ratio of atoms of different elements present in a molecule of the substance is called:
Chemistry-General
Maths-
Maths-General
Maths-
Maths-General
Maths-
Maths-General
Maths-
If a sphere of constant radius k passes through the origin and meets the axis in A, B, C then the centroid of the triangle ABC lies on
Hence option 2 is correct
If a sphere of constant radius k passes through the origin and meets the axis in A, B, C then the centroid of the triangle ABC lies on
Maths-General
Hence option 2 is correct
Maths-
The equation of the sphere circumscribing the tetrahedron whose faces are x = 0, y = 0, z = 0 and is equal to
The equation of the sphere circumscribing the tetrahedron whose faces are x = 0, y = 0, z = 0 and is equal to
Maths-General
Maths-
The lines and are coplanar if l is
The lines and are coplanar if l is
Maths-General
Maths-
The line intersects the curve xy = c2, z = 0 if c =
The line intersects the curve xy = c2, z = 0 if c =
Maths-General
Maths-
Maths-General
Maths-
Equation of the plane through the points (2, 1, -1) and (-1, 3, 2) and perpendicular to the plane x – 2y + 4z = 0 is given by
Equation of the plane through the points (2, 1, -1) and (-1, 3, 2) and perpendicular to the plane x – 2y + 4z = 0 is given by
Maths-General
Maths-
Maths-General
Maths-
Maths-General
Maths-
The four points (0, 4, 3) , (-1, -5, -3) , (-2, -2, 1) and (1, 1, -1) lie in the plane
The four points (0, 4, 3) , (-1, -5, -3) , (-2, -2, 1) and (1, 1, -1) lie in the plane
Maths-General
Maths-
The equation of a plane and condition of two planes being parallel or perpendicular.
A) Every equation of first degree in x, y, z, i. e., Ax + By + Cz + D = 0 represents a plane. The coefficients of x, y, z are the direction ratios of the normal to the plane.
B) Angle between two planes is equal to the angle between the normals to the planes.
\ cos q =
Planes are perpendicular if å A1 A2 = 0 and parallel if
C) Planes parallel to co – ordinate planes are x = l, y = l or z = l.
Planes perpendicular to co – ordinate planes x = 0, y = 0, z = 0 are
by + cz + d = 0 (x missing), ax + cz + d = 0
(y missing), ax + by + d = 0 (z missing) Find the equation of the plane through the intersection of the planes x + 2y + 3z – 4 = 0 and 2x + y – z + 5 = 0 and perpendicular to the plane 5x + 3y + 6z + 8 = 0 is
The equation of a plane and condition of two planes being parallel or perpendicular.
A) Every equation of first degree in x, y, z, i. e., Ax + By + Cz + D = 0 represents a plane. The coefficients of x, y, z are the direction ratios of the normal to the plane.
B) Angle between two planes is equal to the angle between the normals to the planes.
\ cos q =
Planes are perpendicular if å A1 A2 = 0 and parallel if
C) Planes parallel to co – ordinate planes are x = l, y = l or z = l.
Planes perpendicular to co – ordinate planes x = 0, y = 0, z = 0 are
by + cz + d = 0 (x missing), ax + cz + d = 0
(y missing), ax + by + d = 0 (z missing) Find the equation of the plane through the intersection of the planes x + 2y + 3z – 4 = 0 and 2x + y – z + 5 = 0 and perpendicular to the plane 5x + 3y + 6z + 8 = 0 is
Maths-General