Questions

Jay Cooke & Company, a major component of the United States banking establishment, found itself unable to market several million dollars in Northern Pacific Railway bonds in september 1873. Cooke's firm, like many others, had invested heavily in the railroads.

Hence, the bankruptcy of Jay Cooke & company initiated the Panic of 1873.

With the failure of the revolution of 1848 to unify Germany, one phase in the struggle for unification came to an end. Now Germany was to be unified not into a democratic country by the efforts of revolutionaries but by the rulers into a militaristic empire. The leader of this policy Bismarck who belonged to a prussian aristocratic family. He wanted to preserve the predominance of the landed aristocrats and the army in the united German state and to achieve the unification of Germany under the leadership of Prussian monarchy. He described his policy of unification as one of 'blood and iron'. The policy of 'blood and iron' meant a policy of war.

The purpose of the Preamble is to clarify

1. who has made the Constitution,

2. what is the ultimate sanction behind it,

3. what are its goals and objectives,

4. what is its source (and)

5. what is the nature of the polity which is sought to be established by the Constitution.

Actually, the preamble is the opening statement to the United States Constitution.

The words in the Preamble ::

 'We the people of India, in our Constituent Assembly, do hereby adopt, enact and give to ourselves this Constitution'.

Smooth Endoplasmic Reticulumdoes not contain ribosomes on its surface for which it is regarded as smooth. So, proteins cannotbe synthesised by SER provided protein synthesis is the primary task of ribosomes.

No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous.

Hence, Boiling water is a Physiacl change and not a chemical change.