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Which substance changes the colour of pH paper into greenish?
This depends on the kind of pH paper.
What is physically happening when water is dissolving a substance?
when we dissolve a substance then first of all there may occur physical change like shape,colour,temperature etc. these changes are called physical changes.
What substance is yellow-brown in colour?
Iodine
What is the colour of turmeric indicator if the substance is neutral?
it will remain the same
What is the colour of aluminium acetate?
It is a white coloured crystalline substance
What is the correct scientific term for a substance that changes colour in this way for litmus?
indicator
Which substance changes the colour of pH paper into greenish?
This depends on the kind of pH paper.
What is an indicator as related to an acid and a base?
It is a substance(chemical or natural) which changes colour in the presence of an acid or base.
What is special about universal indicator?
It changes colour depending on the pH of the substance put on it. It is a quick and easy way of identifying the pH of a substance, however it is not 100% accurate.
What is physically happening when water is dissolving a substance?
when we dissolve a substance then first of all there may occur physical change like shape,colour,temperature etc. these changes are called physical changes.
What treatment makes a white diamond partially purple on the inside?
Diamond treatments to change colour are irradiation. Depending on the original, natural colour of the stone, irradiation will enhance whatever exists in the stone. The process does not add or subtract any physical substance, it simply changes the existing substance.
What are the five signs of a physical reaction?
colour change gas bubbles new substance formed texture changes something else i don't know about.
What is an acid and base?
An acid base indicator is a substance that changes colour due the PH of the medium in which it is dissolved.
How can anhydrous salt changes into their hydrated salt?
On heating, hydrated salts lose their water of crystallization and as a result, the crystals lose their shape and colour and change to a powdery substance.
What substance gives plants there colour?
Chlorophyll
What substance is yellow-brown in colour?
Iodine
What name is given to a substance which changes colour in acids and alkali's?
A substance that changes color in acids and alkalis is called an indicator. These are often used in laboratory settings to determine the pH of a solution based on the color change it undergoes when exposed to different levels of acidity or alkalinity.
