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  1. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    The empirical formula of a compound is a formula that shows the ratio of elementspresent in the compound. The ratios are denoted by subscripts next to the element symbols
  2. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    answer would b. option b
  3. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    answer would b , option b
  4. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    btw ...air ,oxgyen ,hydrogen, water.....is an very important topic in recent past year .....paper 1 has many questions from these topics
  5. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    well... im pretty cool wid moles n organic......any other important stuff
  6. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    guys ...plx could any1 tell me wht are the most important..n least important chapter for chemistry olevels paper ....?..will b greatfull
  7. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    read ur story ....it'z a good one :)
  8. pinkywinkypuffy

    goood luck guyzz!!!!

    goood luck guyzz!!!!
  9. pinkywinkypuffy

    Biology; Chemistry; Physics: Post your doubts here!

    brittles means that,that stuff having hardness and rigidity but little tensile strength; breaking readily with a comparatively smooth fracture, as glass. easily damaged or destroyed
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