Basic substances have a gritty texture.

true

false

a substance is added to pure water and the concentration of aqueous h+ ions increases. what kind of substance has been added to the water?

an acid

a base

water

either an acid or a base

1. Answer;

False

Explanation;

Bases have some of the following properties;

They have a bitter taste They have a slimy, or soapy feel on fingers Most bases react with acids and precipitate salts. Strong bases may react violently with acids.Bases turn red litmus paper blue2. Answer;

An acid

Explanation;When acids are dissolved in water, the concentration of the acid decreases and it becomes dilute. It dissociates in water to give H+ ions or hydrogen ions.All acidic solutions contain more hydrogen ions than hydroxide ions, therefore when added to water it increases the concentration of H+ ions in water, as water is a neutral substance whose concentration of H+ ions is equal to OH-.

Ithink the answer is pollution in the air steel made of iron and carbon

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later