Related MCQs

• Q. Fill in the blank: The colour of methyl orange in basic medium is …………….
• Q. Which one of the following processes involve chemical reactions?
• Q. A reagent which can help us to distinguish between alkenes and alkynes is:
• Q. Which of the following gives the correct increasing order of the atomic radii of O, F and N ?
• Q. Where would you locate the element with electronic configuration 2, 8 in the Modem Periodic Table ?
• Q. Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.
• Q. The portion left on dropping a hydrogen atom from an alkane is called
• Q. Zinc and lead are more reactive elements than …………..
• Q. When the solution of an acid is diluted, what will be the change in pH of the solution?
• Q. The atomic number of an element X is 19. The number of electrons in its ion X⁺ will be: