Question
Amphibia are known for living in both aquatic and
terrestrial environments during their life cycle. Where do the alimentary canal, urinary tract, and reproductive tract open in amphibians?Solution
In amphibians, these tracts open into a common chamber called the cloaca.
What does a catalyst do in a reaction?
Which gas is evolved during the reaction of an acid with a metal?
Which of the following alkali metals has the highest specific heat?
What is the chemical name of baking soda?
Modern periodic table has ______ groups and ______ periods.
Which of the following is arranged in order of decreasing conductivity?
_________is a formula for rust.
The word “acid” comes from a ________ word.
_____ are a group of chemicals that influence cell division and shoot formation.
Which element gives hardness to stainless steel?