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प्रश्न
Name a metal that can be cut with knife
उत्तर
Sodium
APPEARS IN
संबंधित प्रश्न
If an element has a low ionization energy then it is likely to be ______________ (metallic / non metallic).
Write the name and formulae of a non-metal hydride.
Name one metal which is stored in kerosene oil.
Name the non-metal which is used to make electrodes of dry cells.
Name a non-metal that is liquid at room temperature
Fill in the blank.
A non-metal used to purify water is ______.
State the composition of given alloy:
Bronze
Give the balanced reactions for the following:
Iron reacts with dilute HCI
In which of the following industries, microbial enzymes are not used?
a) Glass industry.
b) Cheese industry
c) Tanning industry.
d) Paper industry.
Three experiments to study the process of rusting are given below. Observe the three test tubes and answer the following questions.
- Why the nail in the test tube 2 is not rusted?
- Why is the nail in the test tube 1 is rusted highly?
- Would the nail in the test tube 3 get rusted?
Name a metal which does not corrode easily.
How are metals like sodium, potassium, and calcium obtained? Give equations.
A metallic oxide which cannot be reduced by normal reducing agents:
Name the following:
An Alloy of copper and Zinc.
With reference to the physical properties of metals and non-metals, state the following exception.
A non-metal which conducts electricity.
Complete the statement given below, by filling in the blank with the correct word:
A non-metal added to swimming pools to kill germs_____.
_______ is good conductor of heat but bad conductor of electricity.
Write the name.
The reagent which dissolves noble metals.
Melting point of most metal is ______ than non-metal.
Which non-metal is essential for our life and all living beings?
