Download App

Acids, Bases and Salts — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceAcids, Bases and Salts2 Marks
Question
You are given three solutions A, B and C with pH values 2, 10 and 13 respectively. Write which solution has more hydrogen ions concentration among the three and state the nature ‘acidic or basic’ of each solution.
✓

Answer

A has maximum [H+] concentration A is acidic. B and C are basic in nature.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the questions.[Che-2M]" from Acids, Bases and Salts→Acids, Bases and Salts — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

What were the two criteria used by Mendeleev to classify the elements in his periodic table?
→
What are the periods and groups in a periodic table ? Give two characteristics of each.
→
Write a balanced chemical equation for each of the following reaction and also classify them.
Iron (III) oxide on heating with carbon monoxide gas reacts to form solid iron and liberates carbon dioxide gas.
→
Non-metals react with oxygen to form acidic oxides or neutral oxides. Carbon burns in air to form carbon dioxide.
$\text{C(s)}+\text{O}_2\text{(g)}\rightarrow\text{CO}_2\text{(g)}$
The nature of the product formed is acidic. When carbon dioxide dissolves in water, it forms carbonic acid. It turns blue litmus to red which shows it is acidic in nature.
→
What happens when silver nitrate solution is added to sodium chloride solution?
  1. Write the equation for the reaction which takes place.
  2. Name the type of reaction involved.
→
Fresh milk has a pH of 6. When it changes into curd (yogurt), will its pH value increase or decrease? Why?
→
What is a balanced chemical equation? Why should chemical equations balanced?
→
The soil in a field is highly acidic. Name two materials which can be added to this soil to reduce its acidity. Give the reason for your choice.
→
Explain how coal was formed in the earth.
→
Why should curd and sour substances not be kept in brass and copper vessels?
→