word problems involving percents

What percent of the word FEEDBACK is FEED? => 65% or 80% or 35% or 50%..

The extraction of a metal from its ore involves the following step..

Processes Involved in Transport - There are some physical principles and biological processes that explain the transport of materials across the plant body. They are as follow..

Steps Involved in Photosynthesis - Photosynthesis has two main reactions: Light reaction Dark reacti..

Reactions Involving A Slow Step - If k 1 is very much less than k 2 that is k 1 << k 2 then the intermediate B is transformed into the product C as soon as it is formed. In such cas..

Equilibrium Involving Chemical Systems - In reversible reactions chemical reactions take place in both the forward and backward directions. For example, the reaction between gaseous hydrogen and iodine vapours to give gaseous hydrogen iodide is a reversible reaction and may be expressed a..

Photosynthesis has two main reactions: Light reaction Dark reacti..

On hydration silicates and aluminates of calcium get converted to their respective hydrated colloidal gels. At the same time, hydrolysis precipitates calcium hydroxide and aluminium hydroxide. This calcium hydroxide binds calcium silicate particles together. On the other hand, alumi..

Substances exist in three states: solids, liquids and gases. The following types of equilibriums exist in three state..