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प्रश्न
Why is ammonia gas not collected over water?
उत्तर
Ammonia gas is highly soluble in water. Therefore it is not collected over water.
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संबंधित प्रश्न
Fill in the blanks:
Metals are ________ conductors of heat and _________.
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Coal can be drawn into wires. ( )
If an element has a low ionization energy then it is likely to be ______________ (metallic / non metallic).
State any three differences between the physical properties of metals and non-metals.
Fill in the blank.
A non-metal used to purify water is ______.
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Basic oxide………..
Select from the following ist:
`Fe_2O_3, , NO, PbO, Mn_2O_7`
Amphoteric oxide …………
Name:
a non metal which conducts electricity
Give the common name and chemical name of an ore of:
(a) zinc (b) aluminium (c) iron.
Complete the statement given below, by filling in the blank with the correct word:
A metal which floats on water _____
