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What will be the action of the following...

What will be the action of the following substances on litmus paper ? Dry HCI gas, Moistened `NH_(3)` gas, Lemon juice, Carbonated soft drink, Curd, Soap solution.

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Read the following passage and answer the questions. Ultrafiltration is the process of separating the colloidal particles from the solvent and soluble solutes present in the colloidal solution by specially prepared filters, which are permeable to all substances except the colloidal particles. Colloidal particles can pass through ordinary filter paper because the pores are too large. However, the pores of filter paper can be reduced in size by impregnating with collodion solution to stop the flow of colloidal particles. The usual collodion is a 4% solution of nitrocellulose in a mixture of alcohol and ether. An ultra-filter paper may be prepared by soaking the filter paper in a collodion solution, hardening by formaldehyde and then finally drying it. Thus, by using ultra-filter paper, the colloidal particles are separated from rest of the materials. Ultrafiltration is a slow process. To speed up the process, pressure or suction is applied. The colloidal particles left on the ultra-filter paper are then stirred with fresh dispersion medium (solvent) to get a pure colloidal solution. What is ultrafiltration ?

Read the following passage and answer the questions. Ultrafiltration is the process of separating the colloidal particles from the solvent and soluble solutes present in the colloidal solution by specially prepared filters, which are permeable to all substances except the colloidal particles. Colloidal particles can pass through ordinary filter paper because the pores are too large. However, the pores of filter paper can be reduced in size by impregnating with collodion solution to stop the flow of colloidal particles. The usual collodion is a 4% solution of nitrocellulose in a mixture of alcohol and ether. An ultra-filter paper may be prepared by soaking the filter paper in a collodion solution, hardening by formaldehyde and then finally drying it. Thus, by using ultra-filter paper, the colloidal particles are separated from rest of the materials. Ultrafiltration is a slow process. To speed up the process, pressure or suction is applied. The colloidal particles left on the ultra-filter paper are then stirred with fresh dispersion medium (solvent) to get a pure colloidal solution. What is collodion ?

Pratyush took sulphur powder on a spatula and heated it. he collected the gas evolved by inverting a test tube over it as shown in figure. what is action of gas on moist litmus paper. write a balanced chemical equation for the reaction taking place

Pratyush took sulphur powder on a spatula and heated it. he collected the gas evolved by inverting a test tube over it as shown in figure. what will be the action of gas on. dry litmus paper.

Pratyush took sulphur powder on a spatula and heated it. He collected the gas evolved by invent a test tube over it, as shown in the figure below: What will be the action of gas on : dry litmus paper ?