List of practice Questions

Youngs's modulus for perfectly plastic body is

$Z = 7x + y$, subject to $5x + y \ge 5, x + y \ge 3, x \ge 0, y \ge 0$. The minimum value of Z occurs at

Zero error, instrumental error and personal errors can be respectively of group

Zeta potential (or electrokinetic potential) is the

A person moves 30 m north, from there 20m east and finally $30\sqrt{2}$ m south-west from there His displacement from initial position is.

Zone refining is based on the principle that _________.

Zone refining is used for the

Zygotene of prophase-l is characterised by

Which of the following fibres are made of polyamides ?

Which of the following floral formulae corresponds to Family Liliaceae ?

Which of the following fluoride of xenon has zero dipole moment?

Which of the following forests is known as the 'lungs of the planet earth' ?

Which of the following forms a colloidal solution in water ?

Which of the following exhibits the weakest inter molecular forces ?

Which of the following expressions are meaningfull operations?

Which of the following facts about the complex $[Cr(NH_{3})_{6}]Cl_{3}$ is wrong?

Which of the following elements is most metallic ?

Which of the following elements when added as an impurity into the germanium produces a p-type semiconductor?

Which of the following equations is correct?

Which of the following element represents highly electropositive as well as highly electronegative element in its period ?

Which of the following elements can be involved in $p\pi-d\,\pi$ bonding?

Which of the following elements does not form hydride by direct heating with dihydrogen?

Which of the following elements does not show variable oxidation states ?

Which of the following electromagnetic waves is used in medicine to destroy cancer cells?

Which of the following element is present in chlorophyll molecule ?