Page 2 - 4. Home Assignment-Elements,compounds and mixtures
P. 2
SUBJECTIVE QUESTIONS
Sl.No. Questions Mark Skill
Q.1 The components of a mixture can be separated by…………… 1 E/U
methods of separation.
Q.2 The metalloids are …………….. of electricity and are ……………… 1 E/R
brittle than non-metals.
Q.3 Name the following 3 Av/R
a) the non-metal which is a good conductor of electricity.
b) the metal which is liquid at room temperature.
c) a non metal which conducts electricity
Q.4 Taking water as the example explain in a compound the 3 D/A
constituent elements lose their elemental properties.
Q.5 a) Write three points of difference between metals and non-metals. 5 Av/A
b) What are metalloids? Give one example.
NCERT Textbook-Std-IX-Science
Pg. No 29 Q. 10