Chemistry IX - Introduction


1. Branch of science that deals with the composition of matter and changes in it is called:




2. To investigate the material that makes up the eath and rest of the universe is the task of:




3. Standard method of denoting scientific nation is shown in:




4. Decimal is shifted in the given number towards left, the exponent is:




5. When decimal is shifted in the given number towards right, the exponent is:




6. In the multiplication with exponential nations , the exponents are:




7. In the division with exponential nations, the exponents are:




8. In addition and subtraction, with exponential nations, exponents are brought to:




9. Which one digit has one significant figure:




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