Embibe Experts Solutions for Chapter: Solved Science Paper-1, Exercise 1: Exercise

Why is a combustion reaction an oxidation reaction?

What were the limitations of Newlands' law of octaves?

The absolute refractive index of Ruby is $1.7$. Find the speed of light in Ruby. The speed of light in vacuum is $3\times {10}^8 \raisebox{1ex}{$\mathrm{m}$}\!\left/ \!\raisebox{-1ex}{$\mathrm{s}$}\right.$.

Identify the most basic oxide?

Identify and write the names of the functional groups in the following compounds.

${\mathrm{C}}_3{\mathrm{H}}_7\mathrm{OH}, {\mathrm{C}}_4{\mathrm{H}}_9\mathrm{Cl}, {\mathrm{CH}}_3\mathrm{CHO}, {\mathrm{C}}_5{\mathrm{H}}_{11}\mathrm{COOH}$.

Hydrogen bromide is a compound of the two elements hydrogen and bromine. It melts at $-87 °\mathrm{C}$ and boils at $-67 °\mathrm{C}$. 

i. Name two other compounds with bonding similar to that in hydrogen bromide. 

ii. Write formulae for these two compounds. 

Write one main difference between the asexual and sexual modes of reproduction. Which species is likely to have comparatively better chances of survival - the one reproducing asexually or the one reproducing sexually? Give a reason to justify your answer.

Tabulate the hormones produced by the anterior lobe of the pituitary and write down their functions.