Acids,Bases and Salts

Is Curd Acidic or Alkaline

• Acidic

• Alkaline

• Nuetral

Name the Correct pair of Indicators

• China rose,Turmeric.Acere

• Gudhal,Litmus paper,Cabbage juice

• Turmeric,ph scale,salt

What is Nuetralization?

• A neutralization reaction is a chemical reaction between an acid and a base which produces a more neutral solution (closer to a pH of 7).

• a chemical substance that neutralizes alkalis

• a substance that can accept hydrogen ions ( protons) or more generally, donate a pair of valence electrons.

• A neutralization reaction is a chemical reaction between an acid and a base which produces a more neutral solution (above a ph of 8)

Tags

NGSS.MS-PS1-5

What is the chemical name for lime water?

• Calcium hydroxide

• Calcium Carbonate

• Ca(OH)2

Which is the Universal indicator

• phenolphthalein

• ph scale

• litmus paper

• both 1 and 2

Name the Natural indicator

• Litmus Paper

• ph scale

• both 1 and 4

• cabbage juice

Is Salt Acidic or Basic?

• Acidic

• Basic

• Both 1 and 2

• Nuetral

What is the solution that can melt gold?

• Aqua regia

• Flux

• Hydrochloric Aid

Tags

NGSS.MS-PS3-4

When Water is added to an Acid or Basic.It will try to make it Nuetral.

• True

• False

Tags

NGSS.MS-PS1-2

Is Tamarind Acidic or Basic?

• Acidic

• Basic

• None of these

• Nuetral