What is the chemical name of Vitamin $B_1$?

$100 \ g$ of water is heated from $30^{\circ}C$ to $50^{\circ}C$. Neglecting the slight expansion of water,the change in its internal energy is ....... $kJ$? (Specific heat of water = $4184 \ J/kg\cdot K$)

What is common among silverfish,scorpion,crab,and honeybee?

Two fair dice are rolled. The probability of the sum of digits on their faces being greater than or equal to $10$ is

The locus of the complex number $z$ such that $\arg \left(\frac{z-2}{z+2}\right)=\frac{\pi}{3}$ is:

In which of the following properties do the two enantiomers of lactic acid differ from each other?