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Question
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)
Electron ______ is complete in each hydrogen in a hydrogen molecule.
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Solution
Electron duplet is complete in each hydrogen in a hydrogen molecule.
RELATED QUESTIONS
Name three biochemical catalysts found in the human body.
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer
Which of the following is a reducing agent?
- oxygen
- chlorine
- hydrogen
- none of these
Fill in the blank
A new substance is always formed in a _______ change.
Fill in the blank:
The basic conditions necessary for a chemical reaction is _______
Complete the table given below.
| Addition of dil. H2SO4 to zinc | Test for gas evolved |
State the following reaction represent oxidation or reduction.
\[\ce{H->H+}\]
What happens when cane sugar is strongly heated? Mention any two changes in it.
Higher order Thinking question
Peeled and unpeeled banana does not look the same. Does that mean peeling banana is a chemical change?
When lithium metal is placed in hydrochloric acid, _______ gas is evolved.
Give an example where heat, light, and sound are produced during a chemical change.
