Brass is an alloy of

Identify the correct statements among the following I) Both Cr and Cu show +1 oxidation state II) The complementary colour of absorbed green colour of visible radiation is purple. III) Ni^(+2) ion in its hydrated state exhibits green colour IV) Brass is an alloy of copper

Fill in the blanks: Brass in an alloy of copper and...

Fill in the following blanks with suitable words: ltbr. (a). The corrosion of iron is called. (b) _____ and ____ are necessary for the rusting of iron. (c). The process of depositing a thin layer of zinc on iron articles in called. (d). Tiffin boxes are electroplated with ____but car bumbers are electroplated with ______to protect them fro rusting (e) The corrosion of copper produces a_____coating of basic copper carbonate on its surface. (f). Brass in an alloy of copper and ____ (g) Bronze is an alloy of copper and_____ (h) The non-metal present in steel is_____ (i) The alloy in which one of themtals is mecury is called an _____ (j) the electrical conductivity and melting point of an alloy is_____than that of pure metals. (i) The rocky material found with ores is called._____

Brass is an ally of Cu and Zn. A sample of brass weighing 5.793 g when treated with excess of dil H_2SO_4 gives 324 " mL of " dry H_2 at 20^@C and 750 mm pressure. What is the percentage of Cu by weight in the alloy.

Brass is an ally of Cu and Zn. A sample of brass weighing 5.793 g when treated with excess of dil H_2SO_4 gives 324 " mL of " dry H_2 at 20^@C and 750 mm pressure. What is the percentage of Cu by weight in the alloy.

Give reasons for the following statement- Brass is an alloy.

Brass is an alloy because it is-

State whether the statement is true or false- Brass is an alloy made up of copper and tin metals.

fill in the following blanks with suitable words : (A) An element is made up only one kind of …………. (b) Brine is a ………. Whereas alcohol is a ……………. . ( c) Brass is an alloy which is considered a ………….. (d) the three important metalloids are ................ , .............. and ..................... (e) the elements which are sonorous are called ..............