Related Questions

Which gas is known as 'noble gas'?
A Hydrogen
B Oxygen
C Helium
D Carbon dioxide
Because it was already known that retroviruses could cause cancer in animals,It seemed only ____ to search for similar cancer causing viruses human being.
A culpable
B Charitable
C Hypothetical
D logical
The incidence of smoking among women, formerly - has grown to such a degree that lung cancer, once a minor problem, has become the chief of cancer-related deaths among women.
A pervasive........opponent
B preeminent......... cure
C minor...........antidote
D relevant..........modifier
Many more people who smoke develop lung cancer than do those who do not smoke. In the face of this evidence, how could a cigarette company representative argue against the conclusion that cigarette smoking cause lung cancer? To answer to the question, the representative could most likely say that
A Many things might cause cancer.
B A single cause may be reponsible for both smoking and cancer.
C People have the right to endanger themselves if they choose to do so.
D People may breathe die, but no one accuses breathing of causing death.
The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be
A 2M
B $$\frac{{\text{M}}}{2}$$
C M
D $$\frac{{\text{M}}}{4}$$
দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2
Which one of the following is used in the treatment of blood cancer?
A Iodine-131
B Sodium-24
C Phosphorus-32
D Cobalt-64
Which of the following is used in the treatment of cancer?
A Electrotherapy
B Psychotherapy
C Physiotherapy
D Chemotherapy
Which of the following is NOT a noble gas?
A Radon
B Krypton
C Xenon
D Hydrogen
Which of the following is not a noble gas ?
A Hydrogen
B Helium
C Neon
D Argon

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