METALLURGY
Multiple Choice Questions Q1. The complete equipment used to carry out electrolysis is known as an electrolytic A. cell. B.
Tag: Class X Question and Answer
CHEMICAL ENERGETICS
Multiple Choice Questions Q1. What does the positive value of ΔH indicate in chemical reaction? A. release of heat energy
ALCOHOL
Multiple Choice Questions Q1. Which of the following hydrocarbon family has the highest boiling point? A. Alkane B. Halo-alkane C.
TRANSITION ELEMENTS
Multiple Choice Questions Q1. The correct sequence of filling up orbitals is A. 1s 2s 3s 2p 3p 4s 3d
HALOGENS
Multiple Choice Questions Q1. Halogens have many useful applications in our daily lives. But some halogen compounds have a negative
MOLE CONCEPT AND STOICHIOMETRY
Multiple Choice Questions Q1. The percentage composition of oxygen in calcium sulphate (CaSO4) is A. 18.18% B. 16% C. 11.76%
Gas Laws
Multiple Choice Questions Q1. Standard Temperature and Pressure (STP) values are most often used for gases as their characteristics change