Identify the correct statement`//`statements
a) Radiation causes genetic mutation
b)Restriction is blood circulation can be detected using radio-iodine
c)Hydrocarbon plastics are used as moderators in a nuclear reactor
d)The damage caused due to `alpha`-radiation is small due to its small penetrating power

Consider the following statements. A, B and identify the correct choice in the given answers (A) Density of a nucleus is independent of its mass number (B) Beryllium is used as moderator in nuclear reactors

Consider the following statements. A, B and identify the correct choice in the given answers (A) Density of a nucleus is independent of its mass number (B) Beryllium is used as moderator in nuclear reactors

Consider the following statements with respect to radiation. A. Radiation, that is given off by nuclear waste is extremely damaging to organisms. B. Nuclear waste is not a potent pollutant and can be dealt without any caution. C. Radiation causes mutations at a very high rate. D. At low doses, nuclear radiation is lethal but at high doses, it creates various disorders. Of the above statements:

According to Planck's Quantun theory, the correct statements are (a) The vibrating particle in the black body does not emit continuously (b) Radiation is emitted in the form of small packets called Quanta (c) Energy associated with emmitted radiations is inversely proportional to frequency. (d) The emitted radiant energy is propagated in the form of waves.

Identify the correct statements from the following a) Dichloromethane is used as a solvent b) Freons are used for refrigeration c) C CI_4 causes depletion of ozone layer d) Electrophilic substitution reactions haloben zenes occur faster than those of benzene

Which of the following statement is false for heavy water? A It is a byproduct in some fertilizer industries. B it is used in exchange reactions for the study of reaction mechanism C Ita dielectric constant is higher than H_2O D It is used as a moderator in nuclear reactor.

Choose the correct statement which is suitable to f block elements. a. The last electrons are filled up in the antipenultimate shell. b. High electronegativity. c. Used as a fuel in nuclear reactors. d. Can form coloured compounds. e. Uses as a catalyst in petroleum production. f. Show various oxidation states.

State whether the following statements are True or False. In case a statement is false, write the correct statement. (a) Sewage is a solid waste which causes water pollution and soil pollution. (b) Used water is wastewater. (c ) Wastewater could be reused. (d) Where underground sewerage systems and refuse disposal systems are not available, the high cost on-site sanitation system can be adopted.

Which of the following statements about TLC are correct ? (i) Glycine is identified on TLC plate due to its colour. (ii) Amino acids can be detected by spraying the TLC plate with Ninhydrin solution. (iii) The retardatin factor is the ratio of the distance travelled by the solute to that of the solvent from the base line. (iv) Sodium chloride is commonly used as an adsorbent.

Direction. In the follwing questions, a statement of assertion is followed by a statement of reason. While answering a question, you are required to choose the correct are out of the given four responses and mark it as (A). If both assertion and reason are true and reason is the correct explanation of the assertion, (B) if both assertion and reason are true but reason is not correct explanation of the assertion. (C) if asssertion is true, but reason if false, (D) if both assertion and reason are false Assertion : Cyclotron is not used to accelerate electrons. Reason : Mass of electrons is very small.