Asked/Added Questions From NCERT:

-Answered by Harshita Rathore On 26 August 2019:03:06:24 PM

-Answered by Harshita Rathore On 26 August 2019:03:06:43 PM

-Answered by Harshita Rathore On 26 August 2019:03:07:26 PM

-Answered by Harshita Rathore On 26 August 2019:03:07:56 PM

-Answered by Akki chauhan On 26 August 2019:08:08:56 PM

-Answered by Akki chauhan On 26 August 2019:08:04:25 PM

 Drawing is the amount of money or value of goods which the proprietor or partner withdraws for personal use. for example, withdrawal of cash by the proprietor for personal use

-Answered by Master Purushottam On 21 August 2019:11:07:50 PM

It uses are:-

1. Its used for supporting fractured bones.

2. It is used for making sufaces smooth.

3. It is used in many material and making in toys.

4. It is used for making statues.

-Answered by Himanshi Verma On 21 August 2019:05:15:13 PM

 The formula of washing soda is Na₂Co₃.10H₂o. Recrystallisation of sodium carbonate gives  washing soda. It is a basic salt.

Its uses are:-

1. It is used in glass, soap and paper industries.

2. It is used in manufacture of Borax.

3. It is used as cleaning agent for domestic purpose.

4. It is used for removing permanent hardness of water.

-Answered by Himanshi Verma On 21 August 2019:04:56:37 PM

 When electricity is passed through an aqueous solution of sodium chloride it decomposes to form sodium hydroxide. The process is called the chlor-alkali alkali process because of the products formed: chlor for chlorine and alkali for Sodium Hydroxide. Chlorine gas is given off at the anode and hydrogen gas at the cathode.

-Answered by Himanshi Verma On 21 August 2019:04:54:18 PM

-Answered by Master Purushottam On 24 August 2019:04:54:39 PM

 Zero

-Answered by Master Purushottam On 21 August 2019:03:38:17 PM

-Answered by Master Purushottam On 24 August 2019:04:54:58 PM

-Answered by Master Purushottam On 24 August 2019:04:55:06 PM

1. Indifference curve are downward sloping.

2. Higher indifference curves are preferred to lower ones.

3. Indifference curves do not intersect.

4. Indifference curves are convex.

-Answered by Master Purushottam On 24 August 2019:04:55:21 PM

 Coating of a thin layer of zinc on  metal surface by electroplating is called galvanisation. 

-Answered by Himanshi Verma On 20 August 2019:07:59:48 PM

 Budget set is a set of all possible combination of the two goods which a consumer can afford, given his income prices in the market.

-Answered by Master Purushottam On 20 August 2019:07:41:54 PM

 Ordinal utility is the utility expressed in ranks.

-Answered by anjali thakur On 20 August 2019:08:02:41 PM

 Marginal utility is the additional utility derived from consumption of one more unit of a commodity.

-Answered by Master Purushottam On 24 August 2019:04:58:08 PM

-Answered by Master Purushottam On 24 August 2019:04:58:16 PM

 Silicon dioxide.

-Answered by Himanshi Verma On 19 August 2019:10:56:21 PM

 This is because colloids have suspension of small particles, from 1 – 1000 nanometres in size which can scatter light falling on them, a phenomenon called asTyndall effect. In the above question, only b) milk and d) starch solution show Tyndall effect as they are colloids

-Answered by Himanshi Verma On 08 March 2019:05:18:28 PM