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Thr lightest particle is_________.
Answer: A. Positron The lightest particle is positron.
Answer: A. Positron
The lightest particle is positron.
See lessBohr’s atomic model is based on:
Answer: B. Quantum theory Bohr's atomic model is based on Quantum theory.
Answer: B. Quantum theory
Bohr’s atomic model is based on Quantum theory.
See lessWhich of the following is a whole number?
Answer: D. Atomic number Atomic number is a whole number.
Answer: D. Atomic number
Atomic number is a whole number.
See lessClouds have electrical charge. This was shown by
Answer: D. Benjamin Franklin Clouds have electrical charge. This was shown by Benjamin Franklin.
Answer: D. Benjamin Franklin
Clouds have electrical charge. This was shown by Benjamin Franklin.
See lessDiamond used in jewellery is:
Answer: D. An elements Diamond used in jewellery is an elements.
Answer: D. An elements
Diamond used in jewellery is an elements.
See lessBleaching powder contains the elements:
Answer: C. Both (a) and (b) Bleaching powder contains the elements Ca, Cl and O.
Answer: C. Both (a) and (b)
Bleaching powder contains the elements Ca, Cl and O.
See lessWhich of the following is not an element?
Answer: D. Silica Silica is not a element.
Answer: D. Silica
Silica is not a element.
See lessThe elements present in urea are:
Answer: A. C, H and O The elements present in urea are C, H and O.
Answer: A. C, H and O
The elements present in urea are C, H and O.
See lessThe burning of fuel is an example of:
Answer: A. Chemical change The burning of fuel is an example of chemical change.
Answer: A. Chemical change
The burning of fuel is an example of chemical change.
See lessPetroleum and kerosene oil are examples of:
Answer: C. Mixtures Petroleum and kerosene oil are examples of mixtures.
Answer: C. Mixtures
Petroleum and kerosene oil are examples of mixtures.
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