A Colorless Pungent Smelling Gas? Best 23 Answer

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Why should we not bleach harpic ?-A hazardous reaction producing pungent smelling gas chlorine.

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What does NH4OH gas smell like?

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Colorless gas with a pungent smell that provides dense white fumes with a dipped glass rod in NH4OHsolution. May be chloride anion. Violet colored vapors that turn blue or violet starch paper.

What does natural gas smell like?

Technically, natural gas does not have a smell. But because a buildup of natural gas is dangerous, gas companies add a harmless chemical called mercaptan to give gas a detectable (and not very pleasant) odor. Most people say mercaptan smells like rotten eggs or sulfur.

What does ammonium hydroxide smell like?

The ammonia solution of water (NH 4 OH) is ammonium hydroxide. The compound, also known as ammonia or ammonia gas, is used as a cleaner as well as a fertilizer, plastic, and textile dye. There’s a pungent-to-faint ammonia smell to this white, colourless liquid. Question: What is the health risk of ammonium hydroxide?

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What is NH4 OH in chemistry?

What is NH 4 OH in chemistry? Ammonium hydroxide (NH 4 OH) is an ammonia solution of water. Commonly referred to as ammonia or ammonia gas, the compound is used as a cleaner and in the manufacturing of plastics, rubber, fertilizers and textiles.

What is the smell of methane gas called?

This odor is often described as “rotten eggs” or “swamp gas.” The methane gas that you smell is actually mixed with other gases, such as carbon dioxide and water vapor. Methane is odorless on its own, but it is often mixed with other gases that do have an odor.

What gas turns moist red litmus blue paper?

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A colorless gas with a pungent odor that turns moist red litmus blue paper. May be NH4+salt. Reddish brown vapors are obtained that turn acidified ferrous sulfate brown paper. May be NO3– In cold, the substance is white and in hot, yellow. May be (Zn)2+ 3 Flame Test:

What gas is produced when moist red paper turns blue?

Ammonia, the only common alkaline gas, is produced when moist red paper turns blue. Does carbon dioxide turn red litmus paper blue? No it turns moist blue litmus paper red. As it is acidic when it reacts with water. Paper has to be moist as CO2 gas needs to dissolve.

What does it mean when the litmus paper turns blue?

It means that the test tube contains a simple gas if the red litmus paper turns blue. If the color of the paper does not change, then the tube does not have any simple gas. Then you can use blue litmus paper to repeat the test.

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What gas turns litmus paper white?

A bleaching agent turns litmus paper white. For example, chlorine gas turns damp blue litmus paper red, and then bleaches, making it white. How do you test for ammonia gas?

What color does chlorine gas turn damp litmus paper?

For example, chlorine gas turns damp blue litmus paper red, and then bleaches, making it white. How do you test for ammonia gas? The most common way is to place a damp red litmus paper near it.

What gas turns starch paper blue (or) violet?

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A greenish yellow gas turns violet (or) blue starch iodide paper. May be chloride anion. Reddish brown vapors are obtained that turn moist fluorescent red paper. May be bromide anion. Violet vapors are obtained that turn starch paper blue (or) violet. May be iodide anion. No characteristic coloured vapours are obtained.

What gas turns starch iodide paper blue?

Nitrogen dioxide gas turns starch iodide paper blue. It reduces iodide to iodine and the free iodine gives blue colour with starch. 2K I +2N O2 → 2K N O2

Why is starch blue in color?

These molecules react with the iodide ions and the starch to form a charge-transfer complex, which has a striking blue color. It is thought that linear I3- and I5- ions occupy the center of the helix structure in the starch.

How does iodine test for starch?

Using iodine to test for the presence of starch is a common experiment. A solution of iodine (I 2) and potassium iodide (KI) in water has a light orange-brown color. If it is added to a sample that contains starch, such as the bread pictured above, the color changes to a deep blue. But how does this color change work?

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What is ammonia gas?

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Ammonia is a colorless gas with a characteristic pungent odor, commercially available as a substantially noncorrosive compressed gas. The anhydrous product can cause stress-corrosion cracking (SCC) of steel containers unless inhibited by addition of trace amounts of water.

References:

Pungent Odor – an overview | ScienceDirect Topics

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Questions just answered:

What does natural gas smell like?

What does ammonium hydroxide smell like?

What is NH4 OH in chemistry?

What is the smell of methane gas called?

What does NH4OH gas smell like?

What gas turns starch iodide paper blue?

Why is starch blue in color?

How does iodine test for starch?

What gas turns starch paper blue (or) violet?

What gas is produced when moist red paper turns blue?

What does it mean when the litmus paper turns blue?

What gas turns litmus paper white?

What color does chlorine gas turn damp litmus paper?

What gas turns moist red litmus blue paper?

What is ammonia gas?

a colorless pungent smelling gas

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