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प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Generally, non-metals react with acids. ( )
विकल्प
True
False
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उत्तर
Generally, non-metals react with acids. (F)
संबंधित प्रश्न
Give reasons for the following.
Copper cannot displace zinc from its salt solution.
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
Name a metal which is best conductor of electricity :
State two important uses of following metal:
Uses of silver
State the position of the following in the periodic table:
Alkali metals
Take an element from an alkali metal and one from an alkaline earth metal and write an equation for their action with:
Water.
Name the following:
The most reactive halogen.
Which one of the following metals do not react with cold as well as hot water?
Match the following
| i. | Silica | a. | Caustic potash |
| ii. | Potassium hydroxide | b. | Sand |
| iii. | Sodium hydroxide | c. | Calamine |
| iv. | Zinc carbonate | d. | Caustic soda |
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the metallic element.
