निम्नलिखित में से कौन-सा जोड़ा तांबे के मिश्रधातुओं का है?
Which of the following pairs represents alloys of copper?
Collection of verified questions for Mishra Dhatuyen under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
Which of the following pairs represents alloys of copper?
An amalgam (mercury alloy) is:
To impart hardness to steel, the amount of which of the following is increased?
Consider the following statements and select the correct answer from the code given below: Assertion (A): It is commonly observed that iron articles when exposed to the atmosphere get covered with a brown powdery coating called rust. Reason (R): Rust, i.e., the brown powdery substance, is formed due to the deposition of tannin. Code:
Bronze is an alloy of:
Solder is an alloy of:
Galvanized iron is coated with:
The alloy of which metal is used for making parts of aeroplanes and railway compartments?
To obtain stainless steel from steel, it is modified by adding certain elements. Which of the following is not used for this purpose?
Galvanized iron pipes are coated with a layer of:
The percentage of silver in German silver is:
Which of the following metals is present as a common component in brass, bronze and German silver?
Brass is an alloy of:
The important metal used in making stainless (rust-free) iron is: