CHEMISTRY MODEL SET 3 PART 1

NDA 1 EXAM 2022 | NDA CHEMISTRY PREVIOUS YEAR QUESTIONS PART 1

NDA 1 EXAM 2022 | NDA CHEMISTRY PREVIOUS YEAR QUESTIONS PART 2

The shape of CIF_(3) according to VSEPR model is

A model of a ship is made to a scale 1 : 300. The volume of the model is 6.5 m^3 . Calculate the volume of the ship.

The height of a tower is 132m. A model of this tower is made such that the ratio between the height of the actual tower and that of the model is 120:1. Find the height of the model.

If sets A= (-3,2] and B= (-1, 5] then find the following sets :

A model of a ship is made to a scale 1 : 300. The length of the model of the ship is 2 m. Calculate the length of the ship.

Let F_(1) be the set of parallelograms, F_(2) the set of rectangle , F_(3) the set of rhombuses, F_(4) the set of squares and F_(5) the set of trapeziums in a plane. Then, F_(1) may be equal to

For the set A={1,\ 2,\ 3} , define a relation R on the set A as follows: R={(1,\ 1),\ (2,\ 2),\ (3,\ 3),\ (1,\ 3)} Write the ordered pairs to be added to R to make the smallest equivalence relation.

The smallest reflexive relation on the set A {1, 2, 3} is