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प्रश्न
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
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उत्तर
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a suspension.
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संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Correct the following statement:
CO and Co both represents cobalt.
Give the symbols of: Carbon, calcium, copper, chlorine, cobalt, argon.
Give two examples of the following.
Inert gases
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
Give the name of the radical - SO4
Complete the statement with the correct words.
_______ are chemicals which are hydroxide (or oxides) of ______ eg. sodium hydroxide.
Write the names of elements from the following symbol:
Pt
State four differences between – elements, compounds and mixtures with suitable examples.
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
Select the correct answer from A, B, C, D & E for the statement given below :
A metalloid.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
The first letter of an element is always written in ______ letter.
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
State true of false. If false, give the correct statement.
Two different elements may have similar atoms.
Name the constituents of water.
What is the Latin name of Sodium?
