Advertisements
Advertisements
प्रश्न
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
A colourless solution of calcium hydroxide in a test tube turns ______ on blowing in it through a blow tube for some time.
उत्तर
A colourless solution of calcium hydroxide in a test tube turns milky on blowing in it through a blow tube for some time.
संबंधित प्रश्न
The chemical name of baking soda is ______.
FILL IN THE BLANK
The new substances formed during a chemical reaction are called the ..................
Copper carbonate when heated, it turns :
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
What do you observe? When
Barium chloride is added to sodium sulphate solution
Name: Two nitrates that do not produce nitrogen dioxide on heating.
Complete the statement by filling in the blank with the correct word:
The reddish-brown precipitate obtained during a double decomposition precipitation reaction between an iron salt and alkali is __________.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Zinc carbonate.
Which of the following is/are true when milk changes into curd?
- Its state is changed from liquid to semi-solid.
- It changes colour.
- It changes the taste.
- The change cannot be reversed.
Choose the correct option from below:
______ is the chemical name of rust.
