Skip to main content

What are Differences between acids and bases? NCERT Class 7 Science

Differences between acids and bases

Differences between acids and bases - NCERT Class 7 Science

Acids are a type of substance that includes hydrogen ions and can donate these ions to another substance.
Acidic compounds have a sour tang to them.
A substance that can accept hydrogen ions from acid is called a base. Caustic soda (NaOH) and caustic potash (KOH) are two examples.

Acids vs Bases 
Acids 
  1. Meaning of Acid - Acids are a substance that contains hydrogen ions and are capable of donating these hydrogen ions to another substance.
  2. Acid Impact on Litmus -Turns blue litmus red.
  3. Acid Taste - Sour
  4. Acid  Ph Value - Less than 7
  5. Acid Chemical Composition - Acids always start with the chemical formula H. For example, HCL. However,  organic acids are a notable exceptiont to this.
  6. Examples of Acid - Lactic, citric, and tartaric acid etc.
Bases 
  1. Meaning of Bases - Bases are a substance that can accept hydrogen ions from an acid.
  2. Bases Impact on Litmus -Turns red litmus blue.
  3. Bases Taste - Bitter
  4. Bases Ph Value - Less than 7
  5. Bases Chemical Composition - Bases have a chemical formula OH at the end of it. For example- NaOH.
  6. Examples of Bases -Sodium hydroxide, Potassium hydroxide, etc.



Tag - what is acid; what is base; acid and base; examples of acid; examples of the base; NCERT Class 7 science; school online class


Labels:
Location: Delhi, India

Comments

Post a Comment

Thank you we will contact ASAP.

Popular posts from this blog

Magnetic and non-magnetic material Class 6 Science

Magnetic and non-magnetic material  Class 6 Science A magnet is a substance that is drawn to certain magnetic materials like iron, cobalt, and nickel. Magnets have the ability to draw iron to them. Natural magnets are rocks that naturally draw iron. Non-magnetic materials include things like wood, rubber, coins, feathers, leather, etc. that are not drawn to iron. Magnet characteristics It pulls magnetic materials, such as iron. The magnet's two ends are referred to as its poles. The magnet's diametrically opposed poles are drawn together. Heating, hammering, or dropping causes it to lose its characteristics. On the basis of properties types of Magnets Temporary magnets are those magnets that are magnetic for only a little duration. Typically, iron, cobalt, or nickel are used to make them. When they are close to the powerful magnet, they act like a magnet. When they are yanked away from the powerful magnet, they stop being magnetic. Permanent magnets are magnets that have magne...
Post a Comment
Read more

Best Sample papers for Bank PO Exam Download

Sample papers for Bank PO Exam | Question Paper for Bank PO : Institute of banking Personnel Selection (IBPS) Department issued a Notification of IBPS PO 2017  exam announced in October month. IBPS Probationary Officer (PO) Online Application Form process will be begin from July 2017. This is a hard exam for all students so aware of its value. Large number of  candidates will participate in this exam. So all candidates should prepare well for it. Check out IBPS, Bank PO Sample papers, Question Paper Pattern, SBI  PO Syllabus ,   IBPS Syllabus  and other IBPS PO Preparation 2017 This paper is identical to any Bank PO Question Paper Pattern. Check whole IBPS Bank “PO question paper” subject wise. IBPS (PO) Paper Pattern Analysis with Syllabus and main topics of IBPS Exam 2017. PO Question Paper Pattern, Bank PO sample Papers for IBPS Bank Exam IBPS PO Exam will be conducted at three levels 1st- PO Preliminary Exam 2nd- PO Mains Exam 3rd- PO Common ...
Post a Comment
Read more

Online/Offline CBSE Coaching Classes for class 9

CBSE Coaching Class 9 :-   In a move to make the digital India and Skill India dream into a reality, we are providing the best courses to our students in e-learning mode. Our program consists of entire 9th class syllabus in a fun learning method with various ways like sounds and animations. Our content is in 2-D & 3-D animation for better understanding of students. So That students will be understand every thing clearly and it makes the learning easy and entertaining. We are offering the following subjects for class 9th Standard:   Maths Class Physics Class Chemistry Class Biology Class Our E-learning provides the best and trained teachers with highly qualified for the respective subjects, they help to improve the students’ performance and to teach the every concept clear and easy in better way. Our main motive is to help students to learn well and gain more marks with making  their basic concept strong and good knowledge base ...
Post a Comment
Read more