problem based learning books

Normality = Molarity x Acidity where acidity is the number of OH - ions a molecule of a base can gi..

When metal ions combine with hydroxyl ions (OH - ), a special group of compounds is created. These are called bases and are represented by formulae such as NaOH, Mg(OH) 2 and Al(OH) 3 . Although they are ternary compounds they are named as binary compounds. After the name of the metal the..

are bitter to tast..

Words that are used before a noun to give the precise meaning of the noun are called determiners. These are short, common word..

There are 6 drawing books and 15 work books in a school bag. A book is picked from the bag. Which book is least likely to be picked? => drawing book or work book or both are equally likely or none of the above..

Botanical survey of India publishes this book. This book provides information about plant species which are rare, endangered or endemic, but all of which are grown in botanical garden..

Estimate the perimeter of the cover of the book. => 98 cm or 238 cm or 190 cm or 138 cm..

It is a sort of publication, which is published by IUCN, which provides information regarding threatened species of plants and animal..

The strength of a base depends on the concentration of the hydroxyl ions when it is dissolved in wat..

A book costs more than 70 dollars and the cost is divisible by 3. What could be the cost of the book? => $84 or $83 or $66 or $85..