Asked/Added Questions From NCERT:


Question 1. Asked on :07 May 2019:10:15:48 AM

Write four chemical reaction 

-Added by killer master Science » Chemical And Reaction

Answer:

sonu kumar

 Chemical reactions can be categorized principally into four basic types. These do not cover all reactions though. Some, such as redox reactions may fit into more than one category.

-Answered by sonu kumar On 07 May 2019:10:17:34 AM


Question 2. Asked on :07 May 2019:10:15:48 AM

Write four chemical reaction 

-Added by killer master Science » Chemical And Reaction

Answer:

Sonu kumar

 Chemical reactions can be categorized principally into four basic types. These do not cover all reactions though. Some, such as redox reactions may fit into more than one category.

-Answered by Sonu kumar On 08 May 2019:08:41:06 AM


Question 3. Asked on :07 May 2019:10:12:40 AM

 What is chemical

-Added by Sohail royal Science » Chemical And Reaction

Answer:

sonu kumar

chemical is any substance consisting of matter. This includes any liquid, solid, or gas. A chemical is any pure substance (an element) or any mixture (a solution, compound, or gas). Chemicals occur naturally and can be made artificially.

-Answered by sonu kumar On 07 May 2019:10:14:36 AM


Question 4. Asked on :07 May 2019:08:36:02 AM

 which is liberated when metals react with aluminium?

-Added by priyanshu kumar Science » Chemical And Reaction

Answer:

Sonu kumar

  Except HNO3, Aluminum reacts with other mineral acids to form their respective salts and liberate Hydrogen gas. However with HNO3, it forms an oxide coating over the metal. It renders metal passive and protects the metal from further attack of the acid.

-Answered by Sonu kumar On 08 May 2019:08:17:51 AM


Question 5. Asked on :07 May 2019:08:28:56 AM

 Which of the following reaction takes place when aluminium react with

sodium hydroxide?

-Added by priyanshu kumar Science » Chemical And Reaction

Answer:

sonu kumar

 5 mins ago - Which of the following reaction takes place when aluminium react withsodium hydroxide? Science Chemical ... sodium hydroxide? -Added by ...

-Answered by sonu kumar On 07 May 2019:10:13:00 AM


 

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