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zhenek [66]
2 years ago
7

What constitutes a positive test for ammonia?

Chemistry
1 answer:
klemol [59]2 years ago
7 0

Ammonia has a characteristic sharp, choking smell. It also makes damp red litmus paper turn blue. Ammonia forms a white smoke of ammonium chloride when hydrogen chloride gas, from concentrated hydrochloric acid, is held near it.

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Someone help it’s due today
Kitty [74]

Answer:

All elements are neutral

Explanation:

The plum pudding model of the atom indicated that all elements are neutral. The model was proposed by J.J Thomson after he conducted his experiment on the gas discharge tube.

From the experiment he discovered electrons which he called cathode rays.

Therefore, he suggested the plum pudding model of the atom.

The model describes negatively charge sphere surrounded by positive charges to balance them.

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3 years ago
What is the definition of a common ion as it applies to Le Chatelier’s principle?
navik [9.2K]
The definition of a common ion as it applies to Le Chatelier's principle is an ion that is present in an equilibrium system and a compound added to the system. This is the case since in Le Chatelier's principle, it is based on an equilibrium system and where the reaction shifts to the left or to the right; towards the products or the reactants side.  
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3 years ago
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Which statement about a novel's setting iscorrect? 
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A. It can be as important to a story as a character
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3 years ago
An atom that has 13 protons and 15 neutrons is an isotope of the element
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That would be the element aluminum.
5 0
3 years ago
What does the chemical formula phCl2(s)
hram777 [196]

Answer: Lead chloride solution is A SUBSTANCE.

 In chemistry, all matters are divided into mixtures and pure substances. The pure substances are made up of one type of particle while the mixtures are made up of different particles. The pure substances can be in form of an element or a compound. Lead chloride for instance is a compound and is a pure substance.

Good luck!!! Hope this helps!!! ;)

5 0
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